Home / 6,800.68-10,209.66-5,781.16

Finding the Fourth Proportional to 6,800.68, 10,209.66 and 5,781.16

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Solution

The fourth proportional to 6,800.68, 10,209.66 and 5,781.16 is: 8,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.68 : 10,209.66 = 5,781.16 : x
  2. Step 2: Convert to fraction form
    6,800.68/10,209.66 = 5,781.16/x
  3. Step 3: Cross multiply
    6,800.68x = 10,209.66 × 5,781.16
  4. Step 4: Simplify right side
    6,800.68x = 59,023,678.01
  5. Step 5: Solve for x
    x = 59,023,678.01/6,800.68
  6. Step 6: Final answer
    x = 8,679.08

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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.