Home / 7,519.89-10,377.29-4,116.90

Finding the Fourth Proportional to 7,519.89, 10,377.29 and 4,116.90

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Solution

The fourth proportional to 7,519.89, 10,377.29 and 4,116.90 is: 5,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.89 : 10,377.29 = 4,116.90 : x
  2. Step 2: Convert to fraction form
    7,519.89/10,377.29 = 4,116.90/x
  3. Step 3: Cross multiply
    7,519.89x = 10,377.29 × 4,116.90
  4. Step 4: Simplify right side
    7,519.89x = 42,722,244.62
  5. Step 5: Solve for x
    x = 42,722,244.62/7,519.89
  6. Step 6: Final answer
    x = 5,681.23

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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.