Home / 6,145.52-8,481.59-3,456.87

Finding the Fourth Proportional to 6,145.52, 8,481.59 and 3,456.87

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Solution

The fourth proportional to 6,145.52, 8,481.59 and 3,456.87 is: 4,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.52 : 8,481.59 = 3,456.87 : x
  2. Step 2: Convert to fraction form
    6,145.52/8,481.59 = 3,456.87/x
  3. Step 3: Cross multiply
    6,145.52x = 8,481.59 × 3,456.87
  4. Step 4: Simplify right side
    6,145.52x = 29,319,736.74
  5. Step 5: Solve for x
    x = 29,319,736.74/6,145.52
  6. Step 6: Final answer
    x = 4,770.92

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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.