Home / 8,761.46-13,142.22-2,521.58

Finding the Fourth Proportional to 8,761.46, 13,142.22 and 2,521.58

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Solution

The fourth proportional to 8,761.46, 13,142.22 and 2,521.58 is: 3,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.46 : 13,142.22 = 2,521.58 : x
  2. Step 2: Convert to fraction form
    8,761.46/13,142.22 = 2,521.58/x
  3. Step 3: Cross multiply
    8,761.46x = 13,142.22 × 2,521.58
  4. Step 4: Simplify right side
    8,761.46x = 33,139,159.11
  5. Step 5: Solve for x
    x = 33,139,159.11/8,761.46
  6. Step 6: Final answer
    x = 3,782.38

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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.