Home / 8,919.48-13,376.34-3,074.52

Finding the Fourth Proportional to 8,919.48, 13,376.34 and 3,074.52

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Solution

The fourth proportional to 8,919.48, 13,376.34 and 3,074.52 is: 4,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.48 : 13,376.34 = 3,074.52 : x
  2. Step 2: Convert to fraction form
    8,919.48/13,376.34 = 3,074.52/x
  3. Step 3: Cross multiply
    8,919.48x = 13,376.34 × 3,074.52
  4. Step 4: Simplify right side
    8,919.48x = 41,125,824.86
  5. Step 5: Solve for x
    x = 41,125,824.86/8,919.48
  6. Step 6: Final answer
    x = 4,610.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.