Home / 4,308.99-6,463.82-1,387.38

Finding the Fourth Proportional to 4,308.99, 6,463.82 and 1,387.38

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Solution

The fourth proportional to 4,308.99, 6,463.82 and 1,387.38 is: 2,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.99 : 6,463.82 = 1,387.38 : x
  2. Step 2: Convert to fraction form
    4,308.99/6,463.82 = 1,387.38/x
  3. Step 3: Cross multiply
    4,308.99x = 6,463.82 × 1,387.38
  4. Step 4: Simplify right side
    4,308.99x = 8,967,774.59
  5. Step 5: Solve for x
    x = 8,967,774.59/4,308.99
  6. Step 6: Final answer
    x = 2,081.18

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1.5x scale

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.