Home / 6,500.91-9,750.35-2,118.33

Finding the Fourth Proportional to 6,500.91, 9,750.35 and 2,118.33

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Solution

The fourth proportional to 6,500.91, 9,750.35 and 2,118.33 is: 3,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.91 : 9,750.35 = 2,118.33 : x
  2. Step 2: Convert to fraction form
    6,500.91/9,750.35 = 2,118.33/x
  3. Step 3: Cross multiply
    6,500.91x = 9,750.35 × 2,118.33
  4. Step 4: Simplify right side
    6,500.91x = 20,654,448.32
  5. Step 5: Solve for x
    x = 20,654,448.32/6,500.91
  6. Step 6: Final answer
    x = 3,177.16

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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.