Home / 6,688.98-10,033.20-3,177.90

Finding the Fourth Proportional to 6,688.98, 10,033.20 and 3,177.90

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Solution

The fourth proportional to 6,688.98, 10,033.20 and 3,177.90 is: 4,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.98 : 10,033.20 = 3,177.90 : x
  2. Step 2: Convert to fraction form
    6,688.98/10,033.20 = 3,177.90/x
  3. Step 3: Cross multiply
    6,688.98x = 10,033.20 × 3,177.90
  4. Step 4: Simplify right side
    6,688.98x = 31,884,506.28
  5. Step 5: Solve for x
    x = 31,884,506.28/6,688.98
  6. Step 6: Final answer
    x = 4,766.72

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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.