Home / 4,976.91-6,868.17-2,738.72

Finding the Fourth Proportional to 4,976.91, 6,868.17 and 2,738.72

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Solution

The fourth proportional to 4,976.91, 6,868.17 and 2,738.72 is: 3,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.91 : 6,868.17 = 2,738.72 : x
  2. Step 2: Convert to fraction form
    4,976.91/6,868.17 = 2,738.72/x
  3. Step 3: Cross multiply
    4,976.91x = 6,868.17 × 2,738.72
  4. Step 4: Simplify right side
    4,976.91x = 18,810,011.71
  5. Step 5: Solve for x
    x = 18,810,011.71/4,976.91
  6. Step 6: Final answer
    x = 3,779.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.