Home / 8,261.12-11,397.11-4,722.44

Finding the Fourth Proportional to 8,261.12, 11,397.11 and 4,722.44

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Solution

The fourth proportional to 8,261.12, 11,397.11 and 4,722.44 is: 6,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.12 : 11,397.11 = 4,722.44 : x
  2. Step 2: Convert to fraction form
    8,261.12/11,397.11 = 4,722.44/x
  3. Step 3: Cross multiply
    8,261.12x = 11,397.11 × 4,722.44
  4. Step 4: Simplify right side
    8,261.12x = 53,822,087.55
  5. Step 5: Solve for x
    x = 53,822,087.55/8,261.12
  6. Step 6: Final answer
    x = 6,515.11

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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.