Home / 5,143.68-7,713.36-1,632.72

Finding the Fourth Proportional to 5,143.68, 7,713.36 and 1,632.72

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Solution

The fourth proportional to 5,143.68, 7,713.36 and 1,632.72 is: 2,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.68 : 7,713.36 = 1,632.72 : x
  2. Step 2: Convert to fraction form
    5,143.68/7,713.36 = 1,632.72/x
  3. Step 3: Cross multiply
    5,143.68x = 7,713.36 × 1,632.72
  4. Step 4: Simplify right side
    5,143.68x = 12,593,757.14
  5. Step 5: Solve for x
    x = 12,593,757.14/5,143.68
  6. Step 6: Final answer
    x = 2,448.39

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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.