Home / 7,520.55-10,373.21-5,158.59

Finding the Fourth Proportional to 7,520.55, 10,373.21 and 5,158.59

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Solution

The fourth proportional to 7,520.55, 10,373.21 and 5,158.59 is: 7,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.55 : 10,373.21 = 5,158.59 : x
  2. Step 2: Convert to fraction form
    7,520.55/10,373.21 = 5,158.59/x
  3. Step 3: Cross multiply
    7,520.55x = 10,373.21 × 5,158.59
  4. Step 4: Simplify right side
    7,520.55x = 53,511,121.04
  5. Step 5: Solve for x
    x = 53,511,121.04/7,520.55
  6. Step 6: Final answer
    x = 7,115.32

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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.