Home / 5,489.07-7,574.94-3,132.57

Finding the Fourth Proportional to 5,489.07, 7,574.94 and 3,132.57

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Solution

The fourth proportional to 5,489.07, 7,574.94 and 3,132.57 is: 4,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.07 : 7,574.94 = 3,132.57 : x
  2. Step 2: Convert to fraction form
    5,489.07/7,574.94 = 3,132.57/x
  3. Step 3: Cross multiply
    5,489.07x = 7,574.94 × 3,132.57
  4. Step 4: Simplify right side
    5,489.07x = 23,729,029.80
  5. Step 5: Solve for x
    x = 23,729,029.80/5,489.07
  6. Step 6: Final answer
    x = 4,322.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.