Home / 6,719.46-10,079.13-1,789.49

Finding the Fourth Proportional to 6,719.46, 10,079.13 and 1,789.49

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Solution

The fourth proportional to 6,719.46, 10,079.13 and 1,789.49 is: 2,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.46 : 10,079.13 = 1,789.49 : x
  2. Step 2: Convert to fraction form
    6,719.46/10,079.13 = 1,789.49/x
  3. Step 3: Cross multiply
    6,719.46x = 10,079.13 × 1,789.49
  4. Step 4: Simplify right side
    6,719.46x = 18,036,534.25
  5. Step 5: Solve for x
    x = 18,036,534.25/6,719.46
  6. Step 6: Final answer
    x = 2,684.23

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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.