Home / 8,732.30-13,098.45-2,158.38

Finding the Fourth Proportional to 8,732.30, 13,098.45 and 2,158.38

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Solution

The fourth proportional to 8,732.30, 13,098.45 and 2,158.38 is: 3,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.30 : 13,098.45 = 2,158.38 : x
  2. Step 2: Convert to fraction form
    8,732.30/13,098.45 = 2,158.38/x
  3. Step 3: Cross multiply
    8,732.30x = 13,098.45 × 2,158.38
  4. Step 4: Simplify right side
    8,732.30x = 28,271,432.51
  5. Step 5: Solve for x
    x = 28,271,432.51/8,732.30
  6. Step 6: Final answer
    x = 3,237.57

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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.