Home / 5,170.12-7,755.96-1,706.56

Finding the Fourth Proportional to 5,170.12, 7,755.96 and 1,706.56

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Solution

The fourth proportional to 5,170.12, 7,755.96 and 1,706.56 is: 2,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.12 : 7,755.96 = 1,706.56 : x
  2. Step 2: Convert to fraction form
    5,170.12/7,755.96 = 1,706.56/x
  3. Step 3: Cross multiply
    5,170.12x = 7,755.96 × 1,706.56
  4. Step 4: Simplify right side
    5,170.12x = 13,236,011.10
  5. Step 5: Solve for x
    x = 13,236,011.10/5,170.12
  6. Step 6: Final answer
    x = 2,560.10

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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.