Home / 5,625.66-8,442.78-2,118.27

Finding the Fourth Proportional to 5,625.66, 8,442.78 and 2,118.27

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Solution

The fourth proportional to 5,625.66, 8,442.78 and 2,118.27 is: 3,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.66 : 8,442.78 = 2,118.27 : x
  2. Step 2: Convert to fraction form
    5,625.66/8,442.78 = 2,118.27/x
  3. Step 3: Cross multiply
    5,625.66x = 8,442.78 × 2,118.27
  4. Step 4: Simplify right side
    5,625.66x = 17,884,087.59
  5. Step 5: Solve for x
    x = 17,884,087.59/5,625.66
  6. Step 6: Final answer
    x = 3,179.02

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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.