Home / 5,638.29-8,447.71-3,737.44

Finding the Fourth Proportional to 5,638.29, 8,447.71 and 3,737.44

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Solution

The fourth proportional to 5,638.29, 8,447.71 and 3,737.44 is: 5,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.29 : 8,447.71 = 3,737.44 : x
  2. Step 2: Convert to fraction form
    5,638.29/8,447.71 = 3,737.44/x
  3. Step 3: Cross multiply
    5,638.29x = 8,447.71 × 3,737.44
  4. Step 4: Simplify right side
    5,638.29x = 31,572,790.58
  5. Step 5: Solve for x
    x = 31,572,790.58/5,638.29
  6. Step 6: Final answer
    x = 5,599.72

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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.