Home / 4,677.38-7,016.07-1,390.52

Finding the Fourth Proportional to 4,677.38, 7,016.07 and 1,390.52

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Solution

The fourth proportional to 4,677.38, 7,016.07 and 1,390.52 is: 2,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.38 : 7,016.07 = 1,390.52 : x
  2. Step 2: Convert to fraction form
    4,677.38/7,016.07 = 1,390.52/x
  3. Step 3: Cross multiply
    4,677.38x = 7,016.07 × 1,390.52
  4. Step 4: Simplify right side
    4,677.38x = 9,755,985.66
  5. Step 5: Solve for x
    x = 9,755,985.66/4,677.38
  6. Step 6: Final answer
    x = 2,085.78

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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.