Home / 8,912.34-13,365.36-3,646.53

Finding the Fourth Proportional to 8,912.34, 13,365.36 and 3,646.53

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Solution

The fourth proportional to 8,912.34, 13,365.36 and 3,646.53 is: 5,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.34 : 13,365.36 = 3,646.53 : x
  2. Step 2: Convert to fraction form
    8,912.34/13,365.36 = 3,646.53/x
  3. Step 3: Cross multiply
    8,912.34x = 13,365.36 × 3,646.53
  4. Step 4: Simplify right side
    8,912.34x = 48,737,186.20
  5. Step 5: Solve for x
    x = 48,737,186.20/8,912.34
  6. Step 6: Final answer
    x = 5,468.51

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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.