Home / 7,612.56-11,444.57-6,149.85

Finding the Fourth Proportional to 7,612.56, 11,444.57 and 6,149.85

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Solution

The fourth proportional to 7,612.56, 11,444.57 and 6,149.85 is: 9,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.56 : 11,444.57 = 6,149.85 : x
  2. Step 2: Convert to fraction form
    7,612.56/11,444.57 = 6,149.85/x
  3. Step 3: Cross multiply
    7,612.56x = 11,444.57 × 6,149.85
  4. Step 4: Simplify right side
    7,612.56x = 70,382,358.07
  5. Step 5: Solve for x
    x = 70,382,358.07/7,612.56
  6. Step 6: Final answer
    x = 9,245.56

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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.