Home / 8,535.24-12,801.96-2,691.90

Finding the Fourth Proportional to 8,535.24, 12,801.96 and 2,691.90

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Solution

The fourth proportional to 8,535.24, 12,801.96 and 2,691.90 is: 4,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.24 : 12,801.96 = 2,691.90 : x
  2. Step 2: Convert to fraction form
    8,535.24/12,801.96 = 2,691.90/x
  3. Step 3: Cross multiply
    8,535.24x = 12,801.96 × 2,691.90
  4. Step 4: Simplify right side
    8,535.24x = 34,461,596.12
  5. Step 5: Solve for x
    x = 34,461,596.12/8,535.24
  6. Step 6: Final answer
    x = 4,037.57

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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.