Home / 8,891.07-13,336.75-3,051.78

Finding the Fourth Proportional to 8,891.07, 13,336.75 and 3,051.78

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Solution

The fourth proportional to 8,891.07, 13,336.75 and 3,051.78 is: 4,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.07 : 13,336.75 = 3,051.78 : x
  2. Step 2: Convert to fraction form
    8,891.07/13,336.75 = 3,051.78/x
  3. Step 3: Cross multiply
    8,891.07x = 13,336.75 × 3,051.78
  4. Step 4: Simplify right side
    8,891.07x = 40,700,780.72
  5. Step 5: Solve for x
    x = 40,700,780.72/8,891.07
  6. Step 6: Final answer
    x = 4,577.72

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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.