Home / 9,105.17-13,659.12-3,260.39

Finding the Fourth Proportional to 9,105.17, 13,659.12 and 3,260.39

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Solution

The fourth proportional to 9,105.17, 13,659.12 and 3,260.39 is: 4,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.17 : 13,659.12 = 3,260.39 : x
  2. Step 2: Convert to fraction form
    9,105.17/13,659.12 = 3,260.39/x
  3. Step 3: Cross multiply
    9,105.17x = 13,659.12 × 3,260.39
  4. Step 4: Simplify right side
    9,105.17x = 44,533,989.96
  5. Step 5: Solve for x
    x = 44,533,989.96/9,105.17
  6. Step 6: Final answer
    x = 4,891.07

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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.