Home / 7,633.31-11,449.20-2,087.15

Finding the Fourth Proportional to 7,633.31, 11,449.20 and 2,087.15

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Solution

The fourth proportional to 7,633.31, 11,449.20 and 2,087.15 is: 3,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.31 : 11,449.20 = 2,087.15 : x
  2. Step 2: Convert to fraction form
    7,633.31/11,449.20 = 2,087.15/x
  3. Step 3: Cross multiply
    7,633.31x = 11,449.20 × 2,087.15
  4. Step 4: Simplify right side
    7,633.31x = 23,896,197.78
  5. Step 5: Solve for x
    x = 23,896,197.78/7,633.31
  6. Step 6: Final answer
    x = 3,130.52

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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.