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Finding the Fourth Proportional to 6,362.89, 8,777.80 and 4,125.49

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Solution

The fourth proportional to 6,362.89, 8,777.80 and 4,125.49 is: 5,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.89 : 8,777.80 = 4,125.49 : x
  2. Step 2: Convert to fraction form
    6,362.89/8,777.80 = 4,125.49/x
  3. Step 3: Cross multiply
    6,362.89x = 8,777.80 × 4,125.49
  4. Step 4: Simplify right side
    6,362.89x = 36,212,726.12
  5. Step 5: Solve for x
    x = 36,212,726.12/6,362.89
  6. Step 6: Final answer
    x = 5,691.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.