Home / 7,499.29-11,251.77-3,116.38

Finding the Fourth Proportional to 7,499.29, 11,251.77 and 3,116.38

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Solution

The fourth proportional to 7,499.29, 11,251.77 and 3,116.38 is: 4,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.29 : 11,251.77 = 3,116.38 : x
  2. Step 2: Convert to fraction form
    7,499.29/11,251.77 = 3,116.38/x
  3. Step 3: Cross multiply
    7,499.29x = 11,251.77 × 3,116.38
  4. Step 4: Simplify right side
    7,499.29x = 35,064,790.99
  5. Step 5: Solve for x
    x = 35,064,790.99/7,499.29
  6. Step 6: Final answer
    x = 4,675.75

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1.5x scale

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.