Home / 8,688.86-13,023.26-3,753.53

Finding the Fourth Proportional to 8,688.86, 13,023.26 and 3,753.53

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Solution

The fourth proportional to 8,688.86, 13,023.26 and 3,753.53 is: 5,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.86 : 13,023.26 = 3,753.53 : x
  2. Step 2: Convert to fraction form
    8,688.86/13,023.26 = 3,753.53/x
  3. Step 3: Cross multiply
    8,688.86x = 13,023.26 × 3,753.53
  4. Step 4: Simplify right side
    8,688.86x = 48,883,197.11
  5. Step 5: Solve for x
    x = 48,883,197.11/8,688.86
  6. Step 6: Final answer
    x = 5,625.96

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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.