Home / 4,333.28-5,974.20-3,140

Finding the Fourth Proportional to 4,333.28, 5,974.20 and 3,140

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Solution

The fourth proportional to 4,333.28, 5,974.20 and 3,140 is: 4,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.28 : 5,974.20 = 3,140 : x
  2. Step 2: Convert to fraction form
    4,333.28/5,974.20 = 3,140/x
  3. Step 3: Cross multiply
    4,333.28x = 5,974.20 × 3,140
  4. Step 4: Simplify right side
    4,333.28x = 18,758,988
  5. Step 5: Solve for x
    x = 18,758,988/4,333.28
  6. Step 6: Final answer
    x = 4,329.05

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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.