Home / 5,114.87-7,658.63-2,920.58

Finding the Fourth Proportional to 5,114.87, 7,658.63 and 2,920.58

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Solution

The fourth proportional to 5,114.87, 7,658.63 and 2,920.58 is: 4,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.87 : 7,658.63 = 2,920.58 : x
  2. Step 2: Convert to fraction form
    5,114.87/7,658.63 = 2,920.58/x
  3. Step 3: Cross multiply
    5,114.87x = 7,658.63 × 2,920.58
  4. Step 4: Simplify right side
    5,114.87x = 22,367,627.00
  5. Step 5: Solve for x
    x = 22,367,627.00/5,114.87
  6. Step 6: Final answer
    x = 4,373.06

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1.5x scale

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.