Home / 4,098.88-6,148.32-2,721.12

Finding the Fourth Proportional to 4,098.88, 6,148.32 and 2,721.12

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Solution

The fourth proportional to 4,098.88, 6,148.32 and 2,721.12 is: 4,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.88 : 6,148.32 = 2,721.12 : x
  2. Step 2: Convert to fraction form
    4,098.88/6,148.32 = 2,721.12/x
  3. Step 3: Cross multiply
    4,098.88x = 6,148.32 × 2,721.12
  4. Step 4: Simplify right side
    4,098.88x = 16,730,316.52
  5. Step 5: Solve for x
    x = 16,730,316.52/4,098.88
  6. Step 6: Final answer
    x = 4,081.68

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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.