Home / 8,266.13-11,408.30-5,122.79

Finding the Fourth Proportional to 8,266.13, 11,408.30 and 5,122.79

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Solution

The fourth proportional to 8,266.13, 11,408.30 and 5,122.79 is: 7,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.13 : 11,408.30 = 5,122.79 : x
  2. Step 2: Convert to fraction form
    8,266.13/11,408.30 = 5,122.79/x
  3. Step 3: Cross multiply
    8,266.13x = 11,408.30 × 5,122.79
  4. Step 4: Simplify right side
    8,266.13x = 58,442,242.50
  5. Step 5: Solve for x
    x = 58,442,242.50/8,266.13
  6. Step 6: Final answer
    x = 7,070.09

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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.