Home / 8,625.24-12,938.64-3,693.76

Finding the Fourth Proportional to 8,625.24, 12,938.64 and 3,693.76

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Solution

The fourth proportional to 8,625.24, 12,938.64 and 3,693.76 is: 5,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.24 : 12,938.64 = 3,693.76 : x
  2. Step 2: Convert to fraction form
    8,625.24/12,938.64 = 3,693.76/x
  3. Step 3: Cross multiply
    8,625.24x = 12,938.64 × 3,693.76
  4. Step 4: Simplify right side
    8,625.24x = 47,792,230.89
  5. Step 5: Solve for x
    x = 47,792,230.89/8,625.24
  6. Step 6: Final answer
    x = 5,540.97

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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.