Home / 4,992.96-6,890.51-2,869.18

Finding the Fourth Proportional to 4,992.96, 6,890.51 and 2,869.18

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Solution

The fourth proportional to 4,992.96, 6,890.51 and 2,869.18 is: 3,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.96 : 6,890.51 = 2,869.18 : x
  2. Step 2: Convert to fraction form
    4,992.96/6,890.51 = 2,869.18/x
  3. Step 3: Cross multiply
    4,992.96x = 6,890.51 × 2,869.18
  4. Step 4: Simplify right side
    4,992.96x = 19,770,073.56
  5. Step 5: Solve for x
    x = 19,770,073.56/4,992.96
  6. Step 6: Final answer
    x = 3,959.59

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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.