Home / 5,711.31-7,880.83-3,193.29

Finding the Fourth Proportional to 5,711.31, 7,880.83 and 3,193.29

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Solution

The fourth proportional to 5,711.31, 7,880.83 and 3,193.29 is: 4,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.31 : 7,880.83 = 3,193.29 : x
  2. Step 2: Convert to fraction form
    5,711.31/7,880.83 = 3,193.29/x
  3. Step 3: Cross multiply
    5,711.31x = 7,880.83 × 3,193.29
  4. Step 4: Simplify right side
    5,711.31x = 25,165,767.65
  5. Step 5: Solve for x
    x = 25,165,767.65/5,711.31
  6. Step 6: Final answer
    x = 4,406.30

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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.