Home / 7,549.66-10,418.99-4,192.49

Finding the Fourth Proportional to 7,549.66, 10,418.99 and 4,192.49

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Solution

The fourth proportional to 7,549.66, 10,418.99 and 4,192.49 is: 5,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.66 : 10,418.99 = 4,192.49 : x
  2. Step 2: Convert to fraction form
    7,549.66/10,418.99 = 4,192.49/x
  3. Step 3: Cross multiply
    7,549.66x = 10,418.99 × 4,192.49
  4. Step 4: Simplify right side
    7,549.66x = 43,681,545.95
  5. Step 5: Solve for x
    x = 43,681,545.95/7,549.66
  6. Step 6: Final answer
    x = 5,785.90

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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.