Home / 8,659.17-11,949.66-5,122.62

Finding the Fourth Proportional to 8,659.17, 11,949.66 and 5,122.62

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Solution

The fourth proportional to 8,659.17, 11,949.66 and 5,122.62 is: 7,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.17 : 11,949.66 = 5,122.62 : x
  2. Step 2: Convert to fraction form
    8,659.17/11,949.66 = 5,122.62/x
  3. Step 3: Cross multiply
    8,659.17x = 11,949.66 × 5,122.62
  4. Step 4: Simplify right side
    8,659.17x = 61,213,567.31
  5. Step 5: Solve for x
    x = 61,213,567.31/8,659.17
  6. Step 6: Final answer
    x = 7,069.22

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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.