Home / 8,108.52-11,188.96-5,123.26

Finding the Fourth Proportional to 8,108.52, 11,188.96 and 5,123.26

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Solution

The fourth proportional to 8,108.52, 11,188.96 and 5,123.26 is: 7,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.52 : 11,188.96 = 5,123.26 : x
  2. Step 2: Convert to fraction form
    8,108.52/11,188.96 = 5,123.26/x
  3. Step 3: Cross multiply
    8,108.52x = 11,188.96 × 5,123.26
  4. Step 4: Simplify right side
    8,108.52x = 57,323,951.21
  5. Step 5: Solve for x
    x = 57,323,951.21/8,108.52
  6. Step 6: Final answer
    x = 7,069.59

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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.