Home / 8,884.86-13,328.61-2,959.80

Finding the Fourth Proportional to 8,884.86, 13,328.61 and 2,959.80

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Solution

The fourth proportional to 8,884.86, 13,328.61 and 2,959.80 is: 4,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.86 : 13,328.61 = 2,959.80 : x
  2. Step 2: Convert to fraction form
    8,884.86/13,328.61 = 2,959.80/x
  3. Step 3: Cross multiply
    8,884.86x = 13,328.61 × 2,959.80
  4. Step 4: Simplify right side
    8,884.86x = 39,450,019.88
  5. Step 5: Solve for x
    x = 39,450,019.88/8,884.86
  6. Step 6: Final answer
    x = 4,440.14

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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.