Home / 4,613.60-6,367.76-2,821.70

Finding the Fourth Proportional to 4,613.60, 6,367.76 and 2,821.70

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Solution

The fourth proportional to 4,613.60, 6,367.76 and 2,821.70 is: 3,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.60 : 6,367.76 = 2,821.70 : x
  2. Step 2: Convert to fraction form
    4,613.60/6,367.76 = 2,821.70/x
  3. Step 3: Cross multiply
    4,613.60x = 6,367.76 × 2,821.70
  4. Step 4: Simplify right side
    4,613.60x = 17,967,908.39
  5. Step 5: Solve for x
    x = 17,967,908.39/4,613.60
  6. Step 6: Final answer
    x = 3,894.55

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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.