Home / 6,838.91-10,258.86-2,456.40

Finding the Fourth Proportional to 6,838.91, 10,258.86 and 2,456.40

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Solution

The fourth proportional to 6,838.91, 10,258.86 and 2,456.40 is: 3,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.91 : 10,258.86 = 2,456.40 : x
  2. Step 2: Convert to fraction form
    6,838.91/10,258.86 = 2,456.40/x
  3. Step 3: Cross multiply
    6,838.91x = 10,258.86 × 2,456.40
  4. Step 4: Simplify right side
    6,838.91x = 25,199,863.70
  5. Step 5: Solve for x
    x = 25,199,863.70/6,838.91
  6. Step 6: Final answer
    x = 3,684.78

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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.