Home / 4,310.00-6,463.55-1,387.65

Finding the Fourth Proportional to 4,310.00, 6,463.55 and 1,387.65

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Solution

The fourth proportional to 4,310.00, 6,463.55 and 1,387.65 is: 2,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.00 : 6,463.55 = 1,387.65 : x
  2. Step 2: Convert to fraction form
    4,310.00/6,463.55 = 1,387.65/x
  3. Step 3: Cross multiply
    4,310.00x = 6,463.55 × 1,387.65
  4. Step 4: Simplify right side
    4,310.00x = 8,969,148.63
  5. Step 5: Solve for x
    x = 8,969,148.63/4,310.00
  6. Step 6: Final answer
    x = 2,081.01

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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.