Home / 6,939.25-10,407.45-2,258.05

Finding the Fourth Proportional to 6,939.25, 10,407.45 and 2,258.05

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Solution

The fourth proportional to 6,939.25, 10,407.45 and 2,258.05 is: 3,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.25 : 10,407.45 = 2,258.05 : x
  2. Step 2: Convert to fraction form
    6,939.25/10,407.45 = 2,258.05/x
  3. Step 3: Cross multiply
    6,939.25x = 10,407.45 × 2,258.05
  4. Step 4: Simplify right side
    6,939.25x = 23,500,542.47
  5. Step 5: Solve for x
    x = 23,500,542.47/6,939.25
  6. Step 6: Final answer
    x = 3,386.61

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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.