Home / 7,471.32-10,308.92-4,487.28

Finding the Fourth Proportional to 7,471.32, 10,308.92 and 4,487.28

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Solution

The fourth proportional to 7,471.32, 10,308.92 and 4,487.28 is: 6,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.32 : 10,308.92 = 4,487.28 : x
  2. Step 2: Convert to fraction form
    7,471.32/10,308.92 = 4,487.28/x
  3. Step 3: Cross multiply
    7,471.32x = 10,308.92 × 4,487.28
  4. Step 4: Simplify right side
    7,471.32x = 46,258,988.10
  5. Step 5: Solve for x
    x = 46,258,988.10/7,471.32
  6. Step 6: Final answer
    x = 6,191.54

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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.