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Finding the Fourth Proportional to 6,456.03, 8,907.13 and 4,099.53

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Solution

The fourth proportional to 6,456.03, 8,907.13 and 4,099.53 is: 5,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.03 : 8,907.13 = 4,099.53 : x
  2. Step 2: Convert to fraction form
    6,456.03/8,907.13 = 4,099.53/x
  3. Step 3: Cross multiply
    6,456.03x = 8,907.13 × 4,099.53
  4. Step 4: Simplify right side
    6,456.03x = 36,515,046.65
  5. Step 5: Solve for x
    x = 36,515,046.65/6,456.03
  6. Step 6: Final answer
    x = 5,655.96

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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.