Home / 5,442.97-7,511.43-3,318.61

Finding the Fourth Proportional to 5,442.97, 7,511.43 and 3,318.61

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Solution

The fourth proportional to 5,442.97, 7,511.43 and 3,318.61 is: 4,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.97 : 7,511.43 = 3,318.61 : x
  2. Step 2: Convert to fraction form
    5,442.97/7,511.43 = 3,318.61/x
  3. Step 3: Cross multiply
    5,442.97x = 7,511.43 × 3,318.61
  4. Step 4: Simplify right side
    5,442.97x = 24,927,506.71
  5. Step 5: Solve for x
    x = 24,927,506.71/5,442.97
  6. Step 6: Final answer
    x = 4,579.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.