Home / 7,146.22-10,722.98-3,402.23

Finding the Fourth Proportional to 7,146.22, 10,722.98 and 3,402.23

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Solution

The fourth proportional to 7,146.22, 10,722.98 and 3,402.23 is: 5,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.22 : 10,722.98 = 3,402.23 : x
  2. Step 2: Convert to fraction form
    7,146.22/10,722.98 = 3,402.23/x
  3. Step 3: Cross multiply
    7,146.22x = 10,722.98 × 3,402.23
  4. Step 4: Simplify right side
    7,146.22x = 36,482,039.35
  5. Step 5: Solve for x
    x = 36,482,039.35/7,146.22
  6. Step 6: Final answer
    x = 5,105.08

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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.