Home / 8,438.29-12,655.04-3,501.82

Finding the Fourth Proportional to 8,438.29, 12,655.04 and 3,501.82

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Solution

The fourth proportional to 8,438.29, 12,655.04 and 3,501.82 is: 5,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.29 : 12,655.04 = 3,501.82 : x
  2. Step 2: Convert to fraction form
    8,438.29/12,655.04 = 3,501.82/x
  3. Step 3: Cross multiply
    8,438.29x = 12,655.04 × 3,501.82
  4. Step 4: Simplify right side
    8,438.29x = 44,315,672.17
  5. Step 5: Solve for x
    x = 44,315,672.17/8,438.29
  6. Step 6: Final answer
    x = 5,251.74

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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.