Home / 8,775.74-12,110.41-5,371.62

Finding the Fourth Proportional to 8,775.74, 12,110.41 and 5,371.62

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Solution

The fourth proportional to 8,775.74, 12,110.41 and 5,371.62 is: 7,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.74 : 12,110.41 = 5,371.62 : x
  2. Step 2: Convert to fraction form
    8,775.74/12,110.41 = 5,371.62/x
  3. Step 3: Cross multiply
    8,775.74x = 12,110.41 × 5,371.62
  4. Step 4: Simplify right side
    8,775.74x = 65,052,481.86
  5. Step 5: Solve for x
    x = 65,052,481.86/8,775.74
  6. Step 6: Final answer
    x = 7,412.76

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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.