Home / 7,397.75-10,204.45-4,878.97

Finding the Fourth Proportional to 7,397.75, 10,204.45 and 4,878.97

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Solution

The fourth proportional to 7,397.75, 10,204.45 and 4,878.97 is: 6,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.75 : 10,204.45 = 4,878.97 : x
  2. Step 2: Convert to fraction form
    7,397.75/10,204.45 = 4,878.97/x
  3. Step 3: Cross multiply
    7,397.75x = 10,204.45 × 4,878.97
  4. Step 4: Simplify right side
    7,397.75x = 49,787,167.71
  5. Step 5: Solve for x
    x = 49,787,167.71/7,397.75
  6. Step 6: Final answer
    x = 6,730.04

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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.