Home / 6,820.07-10,230.32-2,659.91

Finding the Fourth Proportional to 6,820.07, 10,230.32 and 2,659.91

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Solution

The fourth proportional to 6,820.07, 10,230.32 and 2,659.91 is: 3,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.07 : 10,230.32 = 2,659.91 : x
  2. Step 2: Convert to fraction form
    6,820.07/10,230.32 = 2,659.91/x
  3. Step 3: Cross multiply
    6,820.07x = 10,230.32 × 2,659.91
  4. Step 4: Simplify right side
    6,820.07x = 27,211,742.75
  5. Step 5: Solve for x
    x = 27,211,742.75/6,820.07
  6. Step 6: Final answer
    x = 3,989.95

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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.