Home / 8,863.86-13,298.04-3,317.40

Finding the Fourth Proportional to 8,863.86, 13,298.04 and 3,317.40

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Solution

The fourth proportional to 8,863.86, 13,298.04 and 3,317.40 is: 4,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.86 : 13,298.04 = 3,317.40 : x
  2. Step 2: Convert to fraction form
    8,863.86/13,298.04 = 3,317.40/x
  3. Step 3: Cross multiply
    8,863.86x = 13,298.04 × 3,317.40
  4. Step 4: Simplify right side
    8,863.86x = 44,114,917.90
  5. Step 5: Solve for x
    x = 44,114,917.90/8,863.86
  6. Step 6: Final answer
    x = 4,976.94

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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.