Home / 5,117.30-7,675.97-1,419.82

Finding the Fourth Proportional to 5,117.30, 7,675.97 and 1,419.82

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Solution

The fourth proportional to 5,117.30, 7,675.97 and 1,419.82 is: 2,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.30 : 7,675.97 = 1,419.82 : x
  2. Step 2: Convert to fraction form
    5,117.30/7,675.97 = 1,419.82/x
  3. Step 3: Cross multiply
    5,117.30x = 7,675.97 × 1,419.82
  4. Step 4: Simplify right side
    5,117.30x = 10,898,495.73
  5. Step 5: Solve for x
    x = 10,898,495.73/5,117.30
  6. Step 6: Final answer
    x = 2,129.74

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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.