Home / 7,924.16-10,935.56-4,387.68

Finding the Fourth Proportional to 7,924.16, 10,935.56 and 4,387.68

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Solution

The fourth proportional to 7,924.16, 10,935.56 and 4,387.68 is: 6,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.16 : 10,935.56 = 4,387.68 : x
  2. Step 2: Convert to fraction form
    7,924.16/10,935.56 = 4,387.68/x
  3. Step 3: Cross multiply
    7,924.16x = 10,935.56 × 4,387.68
  4. Step 4: Simplify right side
    7,924.16x = 47,981,737.90
  5. Step 5: Solve for x
    x = 47,981,737.90/7,924.16
  6. Step 6: Final answer
    x = 6,055.12

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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.