Home / 9,479.43-13,081.44-5,502.78

Finding the Fourth Proportional to 9,479.43, 13,081.44 and 5,502.78

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Solution

The fourth proportional to 9,479.43, 13,081.44 and 5,502.78 is: 7,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.43 : 13,081.44 = 5,502.78 : x
  2. Step 2: Convert to fraction form
    9,479.43/13,081.44 = 5,502.78/x
  3. Step 3: Cross multiply
    9,479.43x = 13,081.44 × 5,502.78
  4. Step 4: Simplify right side
    9,479.43x = 71,984,286.40
  5. Step 5: Solve for x
    x = 71,984,286.40/9,479.43
  6. Step 6: Final answer
    x = 7,593.74

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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.