Home / 7,520.97-10,377.36-5,728.08

Finding the Fourth Proportional to 7,520.97, 10,377.36 and 5,728.08

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Solution

The fourth proportional to 7,520.97, 10,377.36 and 5,728.08 is: 7,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.97 : 10,377.36 = 5,728.08 : x
  2. Step 2: Convert to fraction form
    7,520.97/10,377.36 = 5,728.08/x
  3. Step 3: Cross multiply
    7,520.97x = 10,377.36 × 5,728.08
  4. Step 4: Simplify right side
    7,520.97x = 59,442,348.27
  5. Step 5: Solve for x
    x = 59,442,348.27/7,520.97
  6. Step 6: Final answer
    x = 7,903.55

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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.