Home / 7,671.66-11,507.52-2,481.18

Finding the Fourth Proportional to 7,671.66, 11,507.52 and 2,481.18

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Solution

The fourth proportional to 7,671.66, 11,507.52 and 2,481.18 is: 3,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.66 : 11,507.52 = 2,481.18 : x
  2. Step 2: Convert to fraction form
    7,671.66/11,507.52 = 2,481.18/x
  3. Step 3: Cross multiply
    7,671.66x = 11,507.52 × 2,481.18
  4. Step 4: Simplify right side
    7,671.66x = 28,552,228.47
  5. Step 5: Solve for x
    x = 28,552,228.47/7,671.66
  6. Step 6: Final answer
    x = 3,721.78

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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.