Home / 7,494.20-10,341.79-4,136.77

Finding the Fourth Proportional to 7,494.20, 10,341.79 and 4,136.77

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Solution

The fourth proportional to 7,494.20, 10,341.79 and 4,136.77 is: 5,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.20 : 10,341.79 = 4,136.77 : x
  2. Step 2: Convert to fraction form
    7,494.20/10,341.79 = 4,136.77/x
  3. Step 3: Cross multiply
    7,494.20x = 10,341.79 × 4,136.77
  4. Step 4: Simplify right side
    7,494.20x = 42,781,534.23
  5. Step 5: Solve for x
    x = 42,781,534.23/7,494.20
  6. Step 6: Final answer
    x = 5,708.62

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Half scale
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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.