Home / 7,647.42-10,553.34-4,291.08

Finding the Fourth Proportional to 7,647.42, 10,553.34 and 4,291.08

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Solution

The fourth proportional to 7,647.42, 10,553.34 and 4,291.08 is: 5,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.42 : 10,553.34 = 4,291.08 : x
  2. Step 2: Convert to fraction form
    7,647.42/10,553.34 = 4,291.08/x
  3. Step 3: Cross multiply
    7,647.42x = 10,553.34 × 4,291.08
  4. Step 4: Simplify right side
    7,647.42x = 45,285,226.21
  5. Step 5: Solve for x
    x = 45,285,226.21/7,647.42
  6. Step 6: Final answer
    x = 5,921.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.