Home / 8,877.86-13,313.32-3,328.17

Finding the Fourth Proportional to 8,877.86, 13,313.32 and 3,328.17

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Solution

The fourth proportional to 8,877.86, 13,313.32 and 3,328.17 is: 4,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.86 : 13,313.32 = 3,328.17 : x
  2. Step 2: Convert to fraction form
    8,877.86/13,313.32 = 3,328.17/x
  3. Step 3: Cross multiply
    8,877.86x = 13,313.32 × 3,328.17
  4. Step 4: Simplify right side
    8,877.86x = 44,309,027.59
  5. Step 5: Solve for x
    x = 44,309,027.59/8,877.86
  6. Step 6: Final answer
    x = 4,990.96

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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.