Home / 4,281.92-6,422.92-1,360

Finding the Fourth Proportional to 4,281.92, 6,422.92 and 1,360

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Solution

The fourth proportional to 4,281.92, 6,422.92 and 1,360 is: 2,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.92 : 6,422.92 = 1,360 : x
  2. Step 2: Convert to fraction form
    4,281.92/6,422.92 = 1,360/x
  3. Step 3: Cross multiply
    4,281.92x = 6,422.92 × 1,360
  4. Step 4: Simplify right side
    4,281.92x = 8,735,171.20
  5. Step 5: Solve for x
    x = 8,735,171.20/4,281.92
  6. Step 6: Final answer
    x = 2,040.01

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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.