Home / 4,281.30-6,422.87-1,359.81

Finding the Fourth Proportional to 4,281.30, 6,422.87 and 1,359.81

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Solution

The fourth proportional to 4,281.30, 6,422.87 and 1,359.81 is: 2,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.30 : 6,422.87 = 1,359.81 : x
  2. Step 2: Convert to fraction form
    4,281.30/6,422.87 = 1,359.81/x
  3. Step 3: Cross multiply
    4,281.30x = 6,422.87 × 1,359.81
  4. Step 4: Simplify right side
    4,281.30x = 8,733,876.06
  5. Step 5: Solve for x
    x = 8,733,876.06/4,281.30
  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.