Home / 5,318.87-7,977.27-2,031.18

Finding the Fourth Proportional to 5,318.87, 7,977.27 and 2,031.18

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Solution

The fourth proportional to 5,318.87, 7,977.27 and 2,031.18 is: 3,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.87 : 7,977.27 = 2,031.18 : x
  2. Step 2: Convert to fraction form
    5,318.87/7,977.27 = 2,031.18/x
  3. Step 3: Cross multiply
    5,318.87x = 7,977.27 × 2,031.18
  4. Step 4: Simplify right side
    5,318.87x = 16,203,271.28
  5. Step 5: Solve for x
    x = 16,203,271.28/5,318.87
  6. Step 6: Final answer
    x = 3,046.38

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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.