Home / 4,008.16-5,531.16-2,215.78

Finding the Fourth Proportional to 4,008.16, 5,531.16 and 2,215.78

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Solution

The fourth proportional to 4,008.16, 5,531.16 and 2,215.78 is: 3,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.16 : 5,531.16 = 2,215.78 : x
  2. Step 2: Convert to fraction form
    4,008.16/5,531.16 = 2,215.78/x
  3. Step 3: Cross multiply
    4,008.16x = 5,531.16 × 2,215.78
  4. Step 4: Simplify right side
    4,008.16x = 12,255,837.51
  5. Step 5: Solve for x
    x = 12,255,837.51/4,008.16
  6. Step 6: Final answer
    x = 3,057.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.