Home / 5,632.14-8,436.68-3,161.78

Finding the Fourth Proportional to 5,632.14, 8,436.68 and 3,161.78

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Solution

The fourth proportional to 5,632.14, 8,436.68 and 3,161.78 is: 4,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.14 : 8,436.68 = 3,161.78 : x
  2. Step 2: Convert to fraction form
    5,632.14/8,436.68 = 3,161.78/x
  3. Step 3: Cross multiply
    5,632.14x = 8,436.68 × 3,161.78
  4. Step 4: Simplify right side
    5,632.14x = 26,674,868.10
  5. Step 5: Solve for x
    x = 26,674,868.10/5,632.14
  6. Step 6: Final answer
    x = 4,736.19

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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.