Home / 4,313.76-6,456.60-2,834.28

Finding the Fourth Proportional to 4,313.76, 6,456.60 and 2,834.28

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Solution

The fourth proportional to 4,313.76, 6,456.60 and 2,834.28 is: 4,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.76 : 6,456.60 = 2,834.28 : x
  2. Step 2: Convert to fraction form
    4,313.76/6,456.60 = 2,834.28/x
  3. Step 3: Cross multiply
    4,313.76x = 6,456.60 × 2,834.28
  4. Step 4: Simplify right side
    4,313.76x = 18,299,812.25
  5. Step 5: Solve for x
    x = 18,299,812.25/4,313.76
  6. Step 6: Final answer
    x = 4,242.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.