Home / 8,126.29-11,214.49-4,984.21

Finding the Fourth Proportional to 8,126.29, 11,214.49 and 4,984.21

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Solution

The fourth proportional to 8,126.29, 11,214.49 and 4,984.21 is: 6,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.29 : 11,214.49 = 4,984.21 : x
  2. Step 2: Convert to fraction form
    8,126.29/11,214.49 = 4,984.21/x
  3. Step 3: Cross multiply
    8,126.29x = 11,214.49 × 4,984.21
  4. Step 4: Simplify right side
    8,126.29x = 55,895,373.20
  5. Step 5: Solve for x
    x = 55,895,373.20/8,126.29
  6. Step 6: Final answer
    x = 6,878.34

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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.