Home / 6,500.25-9,750.51-2,118.15

Finding the Fourth Proportional to 6,500.25, 9,750.51 and 2,118.15

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Solution

The fourth proportional to 6,500.25, 9,750.51 and 2,118.15 is: 3,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.25 : 9,750.51 = 2,118.15 : x
  2. Step 2: Convert to fraction form
    6,500.25/9,750.51 = 2,118.15/x
  3. Step 3: Cross multiply
    6,500.25x = 9,750.51 × 2,118.15
  4. Step 4: Simplify right side
    6,500.25x = 20,653,042.76
  5. Step 5: Solve for x
    x = 20,653,042.76/6,500.25
  6. Step 6: Final answer
    x = 3,177.27

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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.