Home / 7,070.80-10,609.92-3,372.34

Finding the Fourth Proportional to 7,070.80, 10,609.92 and 3,372.34

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Solution

The fourth proportional to 7,070.80, 10,609.92 and 3,372.34 is: 5,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.80 : 10,609.92 = 3,372.34 : x
  2. Step 2: Convert to fraction form
    7,070.80/10,609.92 = 3,372.34/x
  3. Step 3: Cross multiply
    7,070.80x = 10,609.92 × 3,372.34
  4. Step 4: Simplify right side
    7,070.80x = 35,780,257.61
  5. Step 5: Solve for x
    x = 35,780,257.61/7,070.80
  6. Step 6: Final answer
    x = 5,060.28

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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.