Home / 5,489.12-8,233.71-1,329.13

Finding the Fourth Proportional to 5,489.12, 8,233.71 and 1,329.13

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Solution

The fourth proportional to 5,489.12, 8,233.71 and 1,329.13 is: 1,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.12 : 8,233.71 = 1,329.13 : x
  2. Step 2: Convert to fraction form
    5,489.12/8,233.71 = 1,329.13/x
  3. Step 3: Cross multiply
    5,489.12x = 8,233.71 × 1,329.13
  4. Step 4: Simplify right side
    5,489.12x = 10,943,623.16
  5. Step 5: Solve for x
    x = 10,943,623.16/5,489.12
  6. Step 6: Final answer
    x = 1,993.69

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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.