Home / 7,677.74-11,517.29-4,749.89

Finding the Fourth Proportional to 7,677.74, 11,517.29 and 4,749.89

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Solution

The fourth proportional to 7,677.74, 11,517.29 and 4,749.89 is: 7,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.74 : 11,517.29 = 4,749.89 : x
  2. Step 2: Convert to fraction form
    7,677.74/11,517.29 = 4,749.89/x
  3. Step 3: Cross multiply
    7,677.74x = 11,517.29 × 4,749.89
  4. Step 4: Simplify right side
    7,677.74x = 54,705,861.86
  5. Step 5: Solve for x
    x = 54,705,861.86/7,677.74
  6. Step 6: Final answer
    x = 7,125.26

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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.