Home / 5,439.07-8,159.01-2,108.96

Finding the Fourth Proportional to 5,439.07, 8,159.01 and 2,108.96

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Solution

The fourth proportional to 5,439.07, 8,159.01 and 2,108.96 is: 3,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.07 : 8,159.01 = 2,108.96 : x
  2. Step 2: Convert to fraction form
    5,439.07/8,159.01 = 2,108.96/x
  3. Step 3: Cross multiply
    5,439.07x = 8,159.01 × 2,108.96
  4. Step 4: Simplify right side
    5,439.07x = 17,207,025.73
  5. Step 5: Solve for x
    x = 17,207,025.73/5,439.07
  6. Step 6: Final answer
    x = 3,163.60

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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.