Home / 4,891.29-6,749.93-2,976.55

Finding the Fourth Proportional to 4,891.29, 6,749.93 and 2,976.55

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Solution

The fourth proportional to 4,891.29, 6,749.93 and 2,976.55 is: 4,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.29 : 6,749.93 = 2,976.55 : x
  2. Step 2: Convert to fraction form
    4,891.29/6,749.93 = 2,976.55/x
  3. Step 3: Cross multiply
    4,891.29x = 6,749.93 × 2,976.55
  4. Step 4: Simplify right side
    4,891.29x = 20,091,494.71
  5. Step 5: Solve for x
    x = 20,091,494.71/4,891.29
  6. Step 6: Final answer
    x = 4,107.61

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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.