Home / 4,272.48-6,411.12-2,081.16

Finding the Fourth Proportional to 4,272.48, 6,411.12 and 2,081.16

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Solution

The fourth proportional to 4,272.48, 6,411.12 and 2,081.16 is: 3,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.48 : 6,411.12 = 2,081.16 : x
  2. Step 2: Convert to fraction form
    4,272.48/6,411.12 = 2,081.16/x
  3. Step 3: Cross multiply
    4,272.48x = 6,411.12 × 2,081.16
  4. Step 4: Simplify right side
    4,272.48x = 13,342,566.50
  5. Step 5: Solve for x
    x = 13,342,566.50/4,272.48
  6. Step 6: Final answer
    x = 3,122.91

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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.