Home / 4,316.81-5,958.09-2,821.95

Finding the Fourth Proportional to 4,316.81, 5,958.09 and 2,821.95

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Solution

The fourth proportional to 4,316.81, 5,958.09 and 2,821.95 is: 3,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.81 : 5,958.09 = 2,821.95 : x
  2. Step 2: Convert to fraction form
    4,316.81/5,958.09 = 2,821.95/x
  3. Step 3: Cross multiply
    4,316.81x = 5,958.09 × 2,821.95
  4. Step 4: Simplify right side
    4,316.81x = 16,813,432.08
  5. Step 5: Solve for x
    x = 16,813,432.08/4,316.81
  6. Step 6: Final answer
    x = 3,894.88

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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.