Home / 4,299.20-6,440.56-2,910.14

Finding the Fourth Proportional to 4,299.20, 6,440.56 and 2,910.14

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Solution

The fourth proportional to 4,299.20, 6,440.56 and 2,910.14 is: 4,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.20 : 6,440.56 = 2,910.14 : x
  2. Step 2: Convert to fraction form
    4,299.20/6,440.56 = 2,910.14/x
  3. Step 3: Cross multiply
    4,299.20x = 6,440.56 × 2,910.14
  4. Step 4: Simplify right side
    4,299.20x = 18,742,891.80
  5. Step 5: Solve for x
    x = 18,742,891.80/4,299.20
  6. Step 6: Final answer
    x = 4,359.63

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1.5x scale

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.