Home / 6,500.30-9,751.42-2,116.68

Finding the Fourth Proportional to 6,500.30, 9,751.42 and 2,116.68

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Solution

The fourth proportional to 6,500.30, 9,751.42 and 2,116.68 is: 3,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.30 : 9,751.42 = 2,116.68 : x
  2. Step 2: Convert to fraction form
    6,500.30/9,751.42 = 2,116.68/x
  3. Step 3: Cross multiply
    6,500.30x = 9,751.42 × 2,116.68
  4. Step 4: Simplify right side
    6,500.30x = 20,640,635.69
  5. Step 5: Solve for x
    x = 20,640,635.69/6,500.30
  6. Step 6: Final answer
    x = 3,175.34

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1.5x scale

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.