Home / 5,455.18-8,182.31-2,167.39

Finding the Fourth Proportional to 5,455.18, 8,182.31 and 2,167.39

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Solution

The fourth proportional to 5,455.18, 8,182.31 and 2,167.39 is: 3,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.18 : 8,182.31 = 2,167.39 : x
  2. Step 2: Convert to fraction form
    5,455.18/8,182.31 = 2,167.39/x
  3. Step 3: Cross multiply
    5,455.18x = 8,182.31 × 2,167.39
  4. Step 4: Simplify right side
    5,455.18x = 17,734,225.58
  5. Step 5: Solve for x
    x = 17,734,225.58/5,455.18
  6. Step 6: Final answer
    x = 3,250.90

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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.