Home / 4,313.52-5,962.14-3,142.80

Finding the Fourth Proportional to 4,313.52, 5,962.14 and 3,142.80

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Solution

The fourth proportional to 4,313.52, 5,962.14 and 3,142.80 is: 4,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.52 : 5,962.14 = 3,142.80 : x
  2. Step 2: Convert to fraction form
    4,313.52/5,962.14 = 3,142.80/x
  3. Step 3: Cross multiply
    4,313.52x = 5,962.14 × 3,142.80
  4. Step 4: Simplify right side
    4,313.52x = 18,737,813.59
  5. Step 5: Solve for x
    x = 18,737,813.59/4,313.52
  6. Step 6: Final answer
    x = 4,343.97

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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.