Home / 4,972.60-6,859.38-2,876.44

Finding the Fourth Proportional to 4,972.60, 6,859.38 and 2,876.44

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Solution

The fourth proportional to 4,972.60, 6,859.38 and 2,876.44 is: 3,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.60 : 6,859.38 = 2,876.44 : x
  2. Step 2: Convert to fraction form
    4,972.60/6,859.38 = 2,876.44/x
  3. Step 3: Cross multiply
    4,972.60x = 6,859.38 × 2,876.44
  4. Step 4: Simplify right side
    4,972.60x = 19,730,595.01
  5. Step 5: Solve for x
    x = 19,730,595.01/4,972.60
  6. Step 6: Final answer
    x = 3,967.86

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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.