Home / 8,863.41-13,291.78-3,315.52

Finding the Fourth Proportional to 8,863.41, 13,291.78 and 3,315.52

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Solution

The fourth proportional to 8,863.41, 13,291.78 and 3,315.52 is: 4,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.41 : 13,291.78 = 3,315.52 : x
  2. Step 2: Convert to fraction form
    8,863.41/13,291.78 = 3,315.52/x
  3. Step 3: Cross multiply
    8,863.41x = 13,291.78 × 3,315.52
  4. Step 4: Simplify right side
    8,863.41x = 44,069,162.43
  5. Step 5: Solve for x
    x = 44,069,162.43/8,863.41
  6. Step 6: Final answer
    x = 4,972.03

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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.