Home / 5,689.32-7,843.20-4,428.24

Finding the Fourth Proportional to 5,689.32, 7,843.20 and 4,428.24

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Solution

The fourth proportional to 5,689.32, 7,843.20 and 4,428.24 is: 6,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.32 : 7,843.20 = 4,428.24 : x
  2. Step 2: Convert to fraction form
    5,689.32/7,843.20 = 4,428.24/x
  3. Step 3: Cross multiply
    5,689.32x = 7,843.20 × 4,428.24
  4. Step 4: Simplify right side
    5,689.32x = 34,731,571.97
  5. Step 5: Solve for x
    x = 34,731,571.97/5,689.32
  6. Step 6: Final answer
    x = 6,104.70

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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.