Home / 4,308.91-6,463.98-1,387.84

Finding the Fourth Proportional to 4,308.91, 6,463.98 and 1,387.84

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Solution

The fourth proportional to 4,308.91, 6,463.98 and 1,387.84 is: 2,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.91 : 6,463.98 = 1,387.84 : x
  2. Step 2: Convert to fraction form
    4,308.91/6,463.98 = 1,387.84/x
  3. Step 3: Cross multiply
    4,308.91x = 6,463.98 × 1,387.84
  4. Step 4: Simplify right side
    4,308.91x = 8,970,970.00
  5. Step 5: Solve for x
    x = 8,970,970.00/4,308.91
  6. Step 6: Final answer
    x = 2,081.96

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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.