Home / 5,387.18-7,433.52-3,028.87

Finding the Fourth Proportional to 5,387.18, 7,433.52 and 3,028.87

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Solution

The fourth proportional to 5,387.18, 7,433.52 and 3,028.87 is: 4,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.18 : 7,433.52 = 3,028.87 : x
  2. Step 2: Convert to fraction form
    5,387.18/7,433.52 = 3,028.87/x
  3. Step 3: Cross multiply
    5,387.18x = 7,433.52 × 3,028.87
  4. Step 4: Simplify right side
    5,387.18x = 22,515,165.72
  5. Step 5: Solve for x
    x = 22,515,165.72/5,387.18
  6. Step 6: Final answer
    x = 4,179.40

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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.