Home / 9,074.88-13,612.80-2,919.04

Finding the Fourth Proportional to 9,074.88, 13,612.80 and 2,919.04

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Solution

The fourth proportional to 9,074.88, 13,612.80 and 2,919.04 is: 4,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.88 : 13,612.80 = 2,919.04 : x
  2. Step 2: Convert to fraction form
    9,074.88/13,612.80 = 2,919.04/x
  3. Step 3: Cross multiply
    9,074.88x = 13,612.80 × 2,919.04
  4. Step 4: Simplify right side
    9,074.88x = 39,736,307.71
  5. Step 5: Solve for x
    x = 39,736,307.71/9,074.88
  6. Step 6: Final answer
    x = 4,378.71

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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.