Home / 6,878.28-10,321.38-2,983.08

Finding the Fourth Proportional to 6,878.28, 10,321.38 and 2,983.08

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Solution

The fourth proportional to 6,878.28, 10,321.38 and 2,983.08 is: 4,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.28 : 10,321.38 = 2,983.08 : x
  2. Step 2: Convert to fraction form
    6,878.28/10,321.38 = 2,983.08/x
  3. Step 3: Cross multiply
    6,878.28x = 10,321.38 × 2,983.08
  4. Step 4: Simplify right side
    6,878.28x = 30,789,502.25
  5. Step 5: Solve for x
    x = 30,789,502.25/6,878.28
  6. Step 6: Final answer
    x = 4,476.34

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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.