Home / 8,632.32-11,910.96-5,275.96

Finding the Fourth Proportional to 8,632.32, 11,910.96 and 5,275.96

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Solution

The fourth proportional to 8,632.32, 11,910.96 and 5,275.96 is: 7,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.32 : 11,910.96 = 5,275.96 : x
  2. Step 2: Convert to fraction form
    8,632.32/11,910.96 = 5,275.96/x
  3. Step 3: Cross multiply
    8,632.32x = 11,910.96 × 5,275.96
  4. Step 4: Simplify right side
    8,632.32x = 62,841,748.52
  5. Step 5: Solve for x
    x = 62,841,748.52/8,632.32
  6. Step 6: Final answer
    x = 7,279.82

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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.