Home / 5,318.55-7,977.22-2,031.57

Finding the Fourth Proportional to 5,318.55, 7,977.22 and 2,031.57

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Solution

The fourth proportional to 5,318.55, 7,977.22 and 2,031.57 is: 3,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.55 : 7,977.22 = 2,031.57 : x
  2. Step 2: Convert to fraction form
    5,318.55/7,977.22 = 2,031.57/x
  3. Step 3: Cross multiply
    5,318.55x = 7,977.22 × 2,031.57
  4. Step 4: Simplify right side
    5,318.55x = 16,206,275.76
  5. Step 5: Solve for x
    x = 16,206,275.76/5,318.55
  6. Step 6: Final answer
    x = 3,047.12

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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.