Home / 7,177.42-10,762.18-2,672.20

Finding the Fourth Proportional to 7,177.42, 10,762.18 and 2,672.20

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Solution

The fourth proportional to 7,177.42, 10,762.18 and 2,672.20 is: 4,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.42 : 10,762.18 = 2,672.20 : x
  2. Step 2: Convert to fraction form
    7,177.42/10,762.18 = 2,672.20/x
  3. Step 3: Cross multiply
    7,177.42x = 10,762.18 × 2,672.20
  4. Step 4: Simplify right side
    7,177.42x = 28,758,704.17
  5. Step 5: Solve for x
    x = 28,758,704.17/7,177.42
  6. Step 6: Final answer
    x = 4,006.83

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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.