Home / 8,963.60-13,443.57-3,039.66

Finding the Fourth Proportional to 8,963.60, 13,443.57 and 3,039.66

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Solution

The fourth proportional to 8,963.60, 13,443.57 and 3,039.66 is: 4,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.60 : 13,443.57 = 3,039.66 : x
  2. Step 2: Convert to fraction form
    8,963.60/13,443.57 = 3,039.66/x
  3. Step 3: Cross multiply
    8,963.60x = 13,443.57 × 3,039.66
  4. Step 4: Simplify right side
    8,963.60x = 40,863,881.99
  5. Step 5: Solve for x
    x = 40,863,881.99/8,963.60
  6. Step 6: Final answer
    x = 4,558.87

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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.