Home / 7,549.77-10,418.33-4,192.80

Finding the Fourth Proportional to 7,549.77, 10,418.33 and 4,192.80

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Solution

The fourth proportional to 7,549.77, 10,418.33 and 4,192.80 is: 5,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.77 : 10,418.33 = 4,192.80 : x
  2. Step 2: Convert to fraction form
    7,549.77/10,418.33 = 4,192.80/x
  3. Step 3: Cross multiply
    7,549.77x = 10,418.33 × 4,192.80
  4. Step 4: Simplify right side
    7,549.77x = 43,681,974.02
  5. Step 5: Solve for x
    x = 43,681,974.02/7,549.77
  6. Step 6: Final answer
    x = 5,785.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.