Home / 6,442.62-8,887.59-4,081.02

Finding the Fourth Proportional to 6,442.62, 8,887.59 and 4,081.02

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Solution

The fourth proportional to 6,442.62, 8,887.59 and 4,081.02 is: 5,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.62 : 8,887.59 = 4,081.02 : x
  2. Step 2: Convert to fraction form
    6,442.62/8,887.59 = 4,081.02/x
  3. Step 3: Cross multiply
    6,442.62x = 8,887.59 × 4,081.02
  4. Step 4: Simplify right side
    6,442.62x = 36,270,432.54
  5. Step 5: Solve for x
    x = 36,270,432.54/6,442.62
  6. Step 6: Final answer
    x = 5,629.76

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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.