Home / 6,460.20-9,695.70-3,176.10

Finding the Fourth Proportional to 6,460.20, 9,695.70 and 3,176.10

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Solution

The fourth proportional to 6,460.20, 9,695.70 and 3,176.10 is: 4,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.20 : 9,695.70 = 3,176.10 : x
  2. Step 2: Convert to fraction form
    6,460.20/9,695.70 = 3,176.10/x
  3. Step 3: Cross multiply
    6,460.20x = 9,695.70 × 3,176.10
  4. Step 4: Simplify right side
    6,460.20x = 30,794,512.77
  5. Step 5: Solve for x
    x = 30,794,512.77/6,460.20
  6. Step 6: Final answer
    x = 4,766.80

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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.