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Finding the Fourth Proportional to 6,249.90, 9,374.76 and 1,632.90

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Solution

The fourth proportional to 6,249.90, 9,374.76 and 1,632.90 is: 2,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.90 : 9,374.76 = 1,632.90 : x
  2. Step 2: Convert to fraction form
    6,249.90/9,374.76 = 1,632.90/x
  3. Step 3: Cross multiply
    6,249.90x = 9,374.76 × 1,632.90
  4. Step 4: Simplify right side
    6,249.90x = 15,308,045.60
  5. Step 5: Solve for x
    x = 15,308,045.60/6,249.90
  6. Step 6: Final answer
    x = 2,449.33

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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.