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Finding the Fourth Proportional to 6,572.79, 9,859.01 and 2,190.33

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Solution

The fourth proportional to 6,572.79, 9,859.01 and 2,190.33 is: 3,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.79 : 9,859.01 = 2,190.33 : x
  2. Step 2: Convert to fraction form
    6,572.79/9,859.01 = 2,190.33/x
  3. Step 3: Cross multiply
    6,572.79x = 9,859.01 × 2,190.33
  4. Step 4: Simplify right side
    6,572.79x = 21,594,474.42
  5. Step 5: Solve for x
    x = 21,594,474.42/6,572.79
  6. Step 6: Final answer
    x = 3,285.44

Related Problems

Find fourth proportional to 3,286.40, 4,929.50 and 1,095.17
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.