Home / 8,920.23-13,384.40-4,761.24

Finding the Fourth Proportional to 8,920.23, 13,384.40 and 4,761.24

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Solution

The fourth proportional to 8,920.23, 13,384.40 and 4,761.24 is: 7,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.23 : 13,384.40 = 4,761.24 : x
  2. Step 2: Convert to fraction form
    8,920.23/13,384.40 = 4,761.24/x
  3. Step 3: Cross multiply
    8,920.23x = 13,384.40 × 4,761.24
  4. Step 4: Simplify right side
    8,920.23x = 63,726,340.66
  5. Step 5: Solve for x
    x = 63,726,340.66/8,920.23
  6. Step 6: Final answer
    x = 7,144.02

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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.