Home / 4,572.42-6,858.66-1,285.56

Finding the Fourth Proportional to 4,572.42, 6,858.66 and 1,285.56

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Solution

The fourth proportional to 4,572.42, 6,858.66 and 1,285.56 is: 1,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.42 : 6,858.66 = 1,285.56 : x
  2. Step 2: Convert to fraction form
    4,572.42/6,858.66 = 1,285.56/x
  3. Step 3: Cross multiply
    4,572.42x = 6,858.66 × 1,285.56
  4. Step 4: Simplify right side
    4,572.42x = 8,817,218.95
  5. Step 5: Solve for x
    x = 8,817,218.95/4,572.42
  6. Step 6: Final answer
    x = 1,928.35

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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.