Home / 4,211.31-5,812.65-2,869.14

Finding the Fourth Proportional to 4,211.31, 5,812.65 and 2,869.14

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Solution

The fourth proportional to 4,211.31, 5,812.65 and 2,869.14 is: 3,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.31 : 5,812.65 = 2,869.14 : x
  2. Step 2: Convert to fraction form
    4,211.31/5,812.65 = 2,869.14/x
  3. Step 3: Cross multiply
    4,211.31x = 5,812.65 × 2,869.14
  4. Step 4: Simplify right side
    4,211.31x = 16,677,306.62
  5. Step 5: Solve for x
    x = 16,677,306.62/4,211.31
  6. Step 6: Final answer
    x = 3,960.12

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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.