Home / 7,180.60-10,761.08-4,578.88

Finding the Fourth Proportional to 7,180.60, 10,761.08 and 4,578.88

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Solution

The fourth proportional to 7,180.60, 10,761.08 and 4,578.88 is: 6,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.60 : 10,761.08 = 4,578.88 : x
  2. Step 2: Convert to fraction form
    7,180.60/10,761.08 = 4,578.88/x
  3. Step 3: Cross multiply
    7,180.60x = 10,761.08 × 4,578.88
  4. Step 4: Simplify right side
    7,180.60x = 49,273,693.99
  5. Step 5: Solve for x
    x = 49,273,693.99/7,180.60
  6. Step 6: Final answer
    x = 6,862.06

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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.