Home / 4,456.18-6,680.71-2,115.01

Finding the Fourth Proportional to 4,456.18, 6,680.71 and 2,115.01

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Solution

The fourth proportional to 4,456.18, 6,680.71 and 2,115.01 is: 3,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.18 : 6,680.71 = 2,115.01 : x
  2. Step 2: Convert to fraction form
    4,456.18/6,680.71 = 2,115.01/x
  3. Step 3: Cross multiply
    4,456.18x = 6,680.71 × 2,115.01
  4. Step 4: Simplify right side
    4,456.18x = 14,129,768.46
  5. Step 5: Solve for x
    x = 14,129,768.46/4,456.18
  6. Step 6: Final answer
    x = 3,170.83

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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.