Home / 8,374.83-12,564.45-2,531.61

Finding the Fourth Proportional to 8,374.83, 12,564.45 and 2,531.61

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Solution

The fourth proportional to 8,374.83, 12,564.45 and 2,531.61 is: 3,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.83 : 12,564.45 = 2,531.61 : x
  2. Step 2: Convert to fraction form
    8,374.83/12,564.45 = 2,531.61/x
  3. Step 3: Cross multiply
    8,374.83x = 12,564.45 × 2,531.61
  4. Step 4: Simplify right side
    8,374.83x = 31,808,287.26
  5. Step 5: Solve for x
    x = 31,808,287.26/8,374.83
  6. Step 6: Final answer
    x = 3,798.08

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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.