Home / 6,820.12-10,225.66-2,660.52

Finding the Fourth Proportional to 6,820.12, 10,225.66 and 2,660.52

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Solution

The fourth proportional to 6,820.12, 10,225.66 and 2,660.52 is: 3,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.12 : 10,225.66 = 2,660.52 : x
  2. Step 2: Convert to fraction form
    6,820.12/10,225.66 = 2,660.52/x
  3. Step 3: Cross multiply
    6,820.12x = 10,225.66 × 2,660.52
  4. Step 4: Simplify right side
    6,820.12x = 27,205,572.94
  5. Step 5: Solve for x
    x = 27,205,572.94/6,820.12
  6. Step 6: Final answer
    x = 3,989.02

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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.