Home / 7,276.29-10,042.20-4,131.87

Finding the Fourth Proportional to 7,276.29, 10,042.20 and 4,131.87

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Solution

The fourth proportional to 7,276.29, 10,042.20 and 4,131.87 is: 5,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.29 : 10,042.20 = 4,131.87 : x
  2. Step 2: Convert to fraction form
    7,276.29/10,042.20 = 4,131.87/x
  3. Step 3: Cross multiply
    7,276.29x = 10,042.20 × 4,131.87
  4. Step 4: Simplify right side
    7,276.29x = 41,493,064.91
  5. Step 5: Solve for x
    x = 41,493,064.91/7,276.29
  6. Step 6: Final answer
    x = 5,702.50

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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.