Home / 8,531.13-12,800.40-3,267.75

Finding the Fourth Proportional to 8,531.13, 12,800.40 and 3,267.75

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Solution

The fourth proportional to 8,531.13, 12,800.40 and 3,267.75 is: 4,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.13 : 12,800.40 = 3,267.75 : x
  2. Step 2: Convert to fraction form
    8,531.13/12,800.40 = 3,267.75/x
  3. Step 3: Cross multiply
    8,531.13x = 12,800.40 × 3,267.75
  4. Step 4: Simplify right side
    8,531.13x = 41,828,507.10
  5. Step 5: Solve for x
    x = 41,828,507.10/8,531.13
  6. Step 6: Final answer
    x = 4,903.04

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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.