Home / 7,318.56-10,104.21-5,198.52

Finding the Fourth Proportional to 7,318.56, 10,104.21 and 5,198.52

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Solution

The fourth proportional to 7,318.56, 10,104.21 and 5,198.52 is: 7,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.56 : 10,104.21 = 5,198.52 : x
  2. Step 2: Convert to fraction form
    7,318.56/10,104.21 = 5,198.52/x
  3. Step 3: Cross multiply
    7,318.56x = 10,104.21 × 5,198.52
  4. Step 4: Simplify right side
    7,318.56x = 52,526,937.77
  5. Step 5: Solve for x
    x = 52,526,937.77/7,318.56
  6. Step 6: Final answer
    x = 7,177.22

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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.