Home / 9,452.20-13,044.36-5,419.72

Finding the Fourth Proportional to 9,452.20, 13,044.36 and 5,419.72

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Solution

The fourth proportional to 9,452.20, 13,044.36 and 5,419.72 is: 7,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,452.20 : 13,044.36 = 5,419.72 : x
  2. Step 2: Convert to fraction form
    9,452.20/13,044.36 = 5,419.72/x
  3. Step 3: Cross multiply
    9,452.20x = 13,044.36 × 5,419.72
  4. Step 4: Simplify right side
    9,452.20x = 70,696,778.78
  5. Step 5: Solve for x
    x = 70,696,778.78/9,452.20
  6. Step 6: Final answer
    x = 7,479.40

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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.