Home / 7,517.52-10,377.80-5,003.80

Finding the Fourth Proportional to 7,517.52, 10,377.80 and 5,003.80

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Solution

The fourth proportional to 7,517.52, 10,377.80 and 5,003.80 is: 6,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.52 : 10,377.80 = 5,003.80 : x
  2. Step 2: Convert to fraction form
    7,517.52/10,377.80 = 5,003.80/x
  3. Step 3: Cross multiply
    7,517.52x = 10,377.80 × 5,003.80
  4. Step 4: Simplify right side
    7,517.52x = 51,928,435.64
  5. Step 5: Solve for x
    x = 51,928,435.64/7,517.52
  6. Step 6: Final answer
    x = 6,907.66

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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.