Home / 5,392.92-8,090.18-2,761.91

Finding the Fourth Proportional to 5,392.92, 8,090.18 and 2,761.91

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Solution

The fourth proportional to 5,392.92, 8,090.18 and 2,761.91 is: 4,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.92 : 8,090.18 = 2,761.91 : x
  2. Step 2: Convert to fraction form
    5,392.92/8,090.18 = 2,761.91/x
  3. Step 3: Cross multiply
    5,392.92x = 8,090.18 × 2,761.91
  4. Step 4: Simplify right side
    5,392.92x = 22,344,355.46
  5. Step 5: Solve for x
    x = 22,344,355.46/5,392.92
  6. Step 6: Final answer
    x = 4,143.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.