Home / 7,443.15-11,156.57-3,059.43

Finding the Fourth Proportional to 7,443.15, 11,156.57 and 3,059.43

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Solution

The fourth proportional to 7,443.15, 11,156.57 and 3,059.43 is: 4,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.15 : 11,156.57 = 3,059.43 : x
  2. Step 2: Convert to fraction form
    7,443.15/11,156.57 = 3,059.43/x
  3. Step 3: Cross multiply
    7,443.15x = 11,156.57 × 3,059.43
  4. Step 4: Simplify right side
    7,443.15x = 34,132,729.66
  5. Step 5: Solve for x
    x = 34,132,729.66/7,443.15
  6. Step 6: Final answer
    x = 4,585.79

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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.