Home / 6,607.80-9,895.26-5,517

Finding the Fourth Proportional to 6,607.80, 9,895.26 and 5,517

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Solution

The fourth proportional to 6,607.80, 9,895.26 and 5,517 is: 8,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.80 : 9,895.26 = 5,517 : x
  2. Step 2: Convert to fraction form
    6,607.80/9,895.26 = 5,517/x
  3. Step 3: Cross multiply
    6,607.80x = 9,895.26 × 5,517
  4. Step 4: Simplify right side
    6,607.80x = 54,592,149.42
  5. Step 5: Solve for x
    x = 54,592,149.42/6,607.80
  6. Step 6: Final answer
    x = 8,261.77

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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.