Home / 5,721.46-8,571.12-3,248.80

Finding the Fourth Proportional to 5,721.46, 8,571.12 and 3,248.80

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Solution

The fourth proportional to 5,721.46, 8,571.12 and 3,248.80 is: 4,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.46 : 8,571.12 = 3,248.80 : x
  2. Step 2: Convert to fraction form
    5,721.46/8,571.12 = 3,248.80/x
  3. Step 3: Cross multiply
    5,721.46x = 8,571.12 × 3,248.80
  4. Step 4: Simplify right side
    5,721.46x = 27,845,854.66
  5. Step 5: Solve for x
    x = 27,845,854.66/5,721.46
  6. Step 6: Final answer
    x = 4,866.91

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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.