Home / 7,869.92-10,860.47-4,333.13

Finding the Fourth Proportional to 7,869.92, 10,860.47 and 4,333.13

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Solution

The fourth proportional to 7,869.92, 10,860.47 and 4,333.13 is: 5,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.92 : 10,860.47 = 4,333.13 : x
  2. Step 2: Convert to fraction form
    7,869.92/10,860.47 = 4,333.13/x
  3. Step 3: Cross multiply
    7,869.92x = 10,860.47 × 4,333.13
  4. Step 4: Simplify right side
    7,869.92x = 47,059,849.10
  5. Step 5: Solve for x
    x = 47,059,849.10/7,869.92
  6. Step 6: Final answer
    x = 5,979.71

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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.