Home / 7,929.38-10,943.62-4,572.13

Finding the Fourth Proportional to 7,929.38, 10,943.62 and 4,572.13

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Solution

The fourth proportional to 7,929.38, 10,943.62 and 4,572.13 is: 6,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.38 : 10,943.62 = 4,572.13 : x
  2. Step 2: Convert to fraction form
    7,929.38/10,943.62 = 4,572.13/x
  3. Step 3: Cross multiply
    7,929.38x = 10,943.62 × 4,572.13
  4. Step 4: Simplify right side
    7,929.38x = 50,035,653.31
  5. Step 5: Solve for x
    x = 50,035,653.31/7,929.38
  6. Step 6: Final answer
    x = 6,310.16

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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.