Home / 5,139.08-7,710.68-3,060.07

Finding the Fourth Proportional to 5,139.08, 7,710.68 and 3,060.07

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Solution

The fourth proportional to 5,139.08, 7,710.68 and 3,060.07 is: 4,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.08 : 7,710.68 = 3,060.07 : x
  2. Step 2: Convert to fraction form
    5,139.08/7,710.68 = 3,060.07/x
  3. Step 3: Cross multiply
    5,139.08x = 7,710.68 × 3,060.07
  4. Step 4: Simplify right side
    5,139.08x = 23,595,220.55
  5. Step 5: Solve for x
    x = 23,595,220.55/5,139.08
  6. Step 6: Final answer
    x = 4,591.33

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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.