Home / 6,856.43-10,278.41-2,470.77

Finding the Fourth Proportional to 6,856.43, 10,278.41 and 2,470.77

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Solution

The fourth proportional to 6,856.43, 10,278.41 and 2,470.77 is: 3,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.43 : 10,278.41 = 2,470.77 : x
  2. Step 2: Convert to fraction form
    6,856.43/10,278.41 = 2,470.77/x
  3. Step 3: Cross multiply
    6,856.43x = 10,278.41 × 2,470.77
  4. Step 4: Simplify right side
    6,856.43x = 25,395,574.72
  5. Step 5: Solve for x
    x = 25,395,574.72/6,856.43
  6. Step 6: Final answer
    x = 3,703.91

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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.