Home / 4,436-6,653.82-1,315.88

Finding the Fourth Proportional to 4,436, 6,653.82 and 1,315.88

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Solution

The fourth proportional to 4,436, 6,653.82 and 1,315.88 is: 1,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436 : 6,653.82 = 1,315.88 : x
  2. Step 2: Convert to fraction form
    4,436/6,653.82 = 1,315.88/x
  3. Step 3: Cross multiply
    4,436x = 6,653.82 × 1,315.88
  4. Step 4: Simplify right side
    4,436x = 8,755,628.66
  5. Step 5: Solve for x
    x = 8,755,628.66/4,436
  6. Step 6: Final answer
    x = 1,973.77

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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.