Home / 9,120.17-13,680.29-2,546.34

Finding the Fourth Proportional to 9,120.17, 13,680.29 and 2,546.34

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Solution

The fourth proportional to 9,120.17, 13,680.29 and 2,546.34 is: 3,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.17 : 13,680.29 = 2,546.34 : x
  2. Step 2: Convert to fraction form
    9,120.17/13,680.29 = 2,546.34/x
  3. Step 3: Cross multiply
    9,120.17x = 13,680.29 × 2,546.34
  4. Step 4: Simplify right side
    9,120.17x = 34,834,624.70
  5. Step 5: Solve for x
    x = 34,834,624.70/9,120.17
  6. Step 6: Final answer
    x = 3,819.51

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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.