Home / 8,910.33-12,296.70-5,134.11

Finding the Fourth Proportional to 8,910.33, 12,296.70 and 5,134.11

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Solution

The fourth proportional to 8,910.33, 12,296.70 and 5,134.11 is: 7,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.33 : 12,296.70 = 5,134.11 : x
  2. Step 2: Convert to fraction form
    8,910.33/12,296.70 = 5,134.11/x
  3. Step 3: Cross multiply
    8,910.33x = 12,296.70 × 5,134.11
  4. Step 4: Simplify right side
    8,910.33x = 63,132,610.44
  5. Step 5: Solve for x
    x = 63,132,610.44/8,910.33
  6. Step 6: Final answer
    x = 7,085.33

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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.