Home / 5,169.74-7,754.59-3,612.79

Finding the Fourth Proportional to 5,169.74, 7,754.59 and 3,612.79

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Solution

The fourth proportional to 5,169.74, 7,754.59 and 3,612.79 is: 5,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.74 : 7,754.59 = 3,612.79 : x
  2. Step 2: Convert to fraction form
    5,169.74/7,754.59 = 3,612.79/x
  3. Step 3: Cross multiply
    5,169.74x = 7,754.59 × 3,612.79
  4. Step 4: Simplify right side
    5,169.74x = 28,015,685.96
  5. Step 5: Solve for x
    x = 28,015,685.96/5,169.74
  6. Step 6: Final answer
    x = 5,419.17

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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.