Home / 5,411.46-8,114.31-3,191.22

Finding the Fourth Proportional to 5,411.46, 8,114.31 and 3,191.22

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Solution

The fourth proportional to 5,411.46, 8,114.31 and 3,191.22 is: 4,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.46 : 8,114.31 = 3,191.22 : x
  2. Step 2: Convert to fraction form
    5,411.46/8,114.31 = 3,191.22/x
  3. Step 3: Cross multiply
    5,411.46x = 8,114.31 × 3,191.22
  4. Step 4: Simplify right side
    5,411.46x = 25,894,548.36
  5. Step 5: Solve for x
    x = 25,894,548.36/5,411.46
  6. Step 6: Final answer
    x = 4,785.13

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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.