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Finding the Fourth Proportional to 6,608.31, 9,909.40 and 2,448.15

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Solution

The fourth proportional to 6,608.31, 9,909.40 and 2,448.15 is: 3,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.31 : 9,909.40 = 2,448.15 : x
  2. Step 2: Convert to fraction form
    6,608.31/9,909.40 = 2,448.15/x
  3. Step 3: Cross multiply
    6,608.31x = 9,909.40 × 2,448.15
  4. Step 4: Simplify right side
    6,608.31x = 24,259,697.61
  5. Step 5: Solve for x
    x = 24,259,697.61/6,608.31
  6. Step 6: Final answer
    x = 3,671.09

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1.5x scale

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.