Home / 7,516.22-10,372.53-4,158.95

Finding the Fourth Proportional to 7,516.22, 10,372.53 and 4,158.95

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Solution

The fourth proportional to 7,516.22, 10,372.53 and 4,158.95 is: 5,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.22 : 10,372.53 = 4,158.95 : x
  2. Step 2: Convert to fraction form
    7,516.22/10,372.53 = 4,158.95/x
  3. Step 3: Cross multiply
    7,516.22x = 10,372.53 × 4,158.95
  4. Step 4: Simplify right side
    7,516.22x = 43,138,785.68
  5. Step 5: Solve for x
    x = 43,138,785.68/7,516.22
  6. Step 6: Final answer
    x = 5,739.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.