Home / 7,869.32-10,859.92-4,332.80

Finding the Fourth Proportional to 7,869.32, 10,859.92 and 4,332.80

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Solution

The fourth proportional to 7,869.32, 10,859.92 and 4,332.80 is: 5,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.32 : 10,859.92 = 4,332.80 : x
  2. Step 2: Convert to fraction form
    7,869.32/10,859.92 = 4,332.80/x
  3. Step 3: Cross multiply
    7,869.32x = 10,859.92 × 4,332.80
  4. Step 4: Simplify right side
    7,869.32x = 47,053,861.38
  5. Step 5: Solve for x
    x = 47,053,861.38/7,869.32
  6. Step 6: Final answer
    x = 5,979.41

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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.