Home / 8,424.44-11,627.50-5,591.96

Finding the Fourth Proportional to 8,424.44, 11,627.50 and 5,591.96

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Solution

The fourth proportional to 8,424.44, 11,627.50 and 5,591.96 is: 7,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.44 : 11,627.50 = 5,591.96 : x
  2. Step 2: Convert to fraction form
    8,424.44/11,627.50 = 5,591.96/x
  3. Step 3: Cross multiply
    8,424.44x = 11,627.50 × 5,591.96
  4. Step 4: Simplify right side
    8,424.44x = 65,020,514.90
  5. Step 5: Solve for x
    x = 65,020,514.90/8,424.44
  6. Step 6: Final answer
    x = 7,718.08

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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.