Home / 9,023.50-13,530.30-2,781.78

Finding the Fourth Proportional to 9,023.50, 13,530.30 and 2,781.78

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Solution

The fourth proportional to 9,023.50, 13,530.30 and 2,781.78 is: 4,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,023.50 : 13,530.30 = 2,781.78 : x
  2. Step 2: Convert to fraction form
    9,023.50/13,530.30 = 2,781.78/x
  3. Step 3: Cross multiply
    9,023.50x = 13,530.30 × 2,781.78
  4. Step 4: Simplify right side
    9,023.50x = 37,638,315.80
  5. Step 5: Solve for x
    x = 37,638,315.80/9,023.50
  6. Step 6: Final answer
    x = 4,171.14

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1.5x scale

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.