Home / 5,045.18-7,567.76-2,085.30

Finding the Fourth Proportional to 5,045.18, 7,567.76 and 2,085.30

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Solution

The fourth proportional to 5,045.18, 7,567.76 and 2,085.30 is: 3,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.18 : 7,567.76 = 2,085.30 : x
  2. Step 2: Convert to fraction form
    5,045.18/7,567.76 = 2,085.30/x
  3. Step 3: Cross multiply
    5,045.18x = 7,567.76 × 2,085.30
  4. Step 4: Simplify right side
    5,045.18x = 15,781,049.93
  5. Step 5: Solve for x
    x = 15,781,049.93/5,045.18
  6. Step 6: Final answer
    x = 3,127.95

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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.