Home / 6,820.75-10,231.13-2,719.63

Finding the Fourth Proportional to 6,820.75, 10,231.13 and 2,719.63

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Solution

The fourth proportional to 6,820.75, 10,231.13 and 2,719.63 is: 4,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.75 : 10,231.13 = 2,719.63 : x
  2. Step 2: Convert to fraction form
    6,820.75/10,231.13 = 2,719.63/x
  3. Step 3: Cross multiply
    6,820.75x = 10,231.13 × 2,719.63
  4. Step 4: Simplify right side
    6,820.75x = 27,824,874.48
  5. Step 5: Solve for x
    x = 27,824,874.48/6,820.75
  6. Step 6: Final answer
    x = 4,079.45

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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.