Home / 7,108.26-10,659.15-3,412.23

Finding the Fourth Proportional to 7,108.26, 10,659.15 and 3,412.23

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Solution

The fourth proportional to 7,108.26, 10,659.15 and 3,412.23 is: 5,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.26 : 10,659.15 = 3,412.23 : x
  2. Step 2: Convert to fraction form
    7,108.26/10,659.15 = 3,412.23/x
  3. Step 3: Cross multiply
    7,108.26x = 10,659.15 × 3,412.23
  4. Step 4: Simplify right side
    7,108.26x = 36,371,471.40
  5. Step 5: Solve for x
    x = 36,371,471.40/7,108.26
  6. Step 6: Final answer
    x = 5,116.79

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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.