Home / 4,281.57-6,423.38-1,359.88

Finding the Fourth Proportional to 4,281.57, 6,423.38 and 1,359.88

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Solution

The fourth proportional to 4,281.57, 6,423.38 and 1,359.88 is: 2,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.57 : 6,423.38 = 1,359.88 : x
  2. Step 2: Convert to fraction form
    4,281.57/6,423.38 = 1,359.88/x
  3. Step 3: Cross multiply
    4,281.57x = 6,423.38 × 1,359.88
  4. Step 4: Simplify right side
    4,281.57x = 8,735,025.99
  5. Step 5: Solve for x
    x = 8,735,025.99/4,281.57
  6. Step 6: Final answer
    x = 2,040.15

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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.