Home / 7,247.12-10,862.16-3,085.88

Finding the Fourth Proportional to 7,247.12, 10,862.16 and 3,085.88

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Solution

The fourth proportional to 7,247.12, 10,862.16 and 3,085.88 is: 4,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.12 : 10,862.16 = 3,085.88 : x
  2. Step 2: Convert to fraction form
    7,247.12/10,862.16 = 3,085.88/x
  3. Step 3: Cross multiply
    7,247.12x = 10,862.16 × 3,085.88
  4. Step 4: Simplify right side
    7,247.12x = 33,519,322.30
  5. Step 5: Solve for x
    x = 33,519,322.30/7,247.12
  6. Step 6: Final answer
    x = 4,625.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.