Home / 8,126.18-11,214.12-4,400.18

Finding the Fourth Proportional to 8,126.18, 11,214.12 and 4,400.18

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Solution

The fourth proportional to 8,126.18, 11,214.12 and 4,400.18 is: 6,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.18 : 11,214.12 = 4,400.18 : x
  2. Step 2: Convert to fraction form
    8,126.18/11,214.12 = 4,400.18/x
  3. Step 3: Cross multiply
    8,126.18x = 11,214.12 × 4,400.18
  4. Step 4: Simplify right side
    8,126.18x = 49,344,090.47
  5. Step 5: Solve for x
    x = 49,344,090.47/8,126.18
  6. Step 6: Final answer
    x = 6,072.24

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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.