Home / 5,170.95-7,756.82-1,612.62

Finding the Fourth Proportional to 5,170.95, 7,756.82 and 1,612.62

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Solution

The fourth proportional to 5,170.95, 7,756.82 and 1,612.62 is: 2,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.95 : 7,756.82 = 1,612.62 : x
  2. Step 2: Convert to fraction form
    5,170.95/7,756.82 = 1,612.62/x
  3. Step 3: Cross multiply
    5,170.95x = 7,756.82 × 1,612.62
  4. Step 4: Simplify right side
    5,170.95x = 12,508,795.01
  5. Step 5: Solve for x
    x = 12,508,795.01/5,170.95
  6. Step 6: Final answer
    x = 2,419.05

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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.