Home / 6,721.15-10,081.73-4,247.95

Finding the Fourth Proportional to 6,721.15, 10,081.73 and 4,247.95

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Solution

The fourth proportional to 6,721.15, 10,081.73 and 4,247.95 is: 6,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.15 : 10,081.73 = 4,247.95 : x
  2. Step 2: Convert to fraction form
    6,721.15/10,081.73 = 4,247.95/x
  3. Step 3: Cross multiply
    6,721.15x = 10,081.73 × 4,247.95
  4. Step 4: Simplify right side
    6,721.15x = 42,826,684.95
  5. Step 5: Solve for x
    x = 42,826,684.95/6,721.15
  6. Step 6: Final answer
    x = 6,371.93

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Similar ratio
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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.