Home / 8,891.45-13,308.19-6,550.51

Finding the Fourth Proportional to 8,891.45, 13,308.19 and 6,550.51

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Solution

The fourth proportional to 8,891.45, 13,308.19 and 6,550.51 is: 9,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.45 : 13,308.19 = 6,550.51 : x
  2. Step 2: Convert to fraction form
    8,891.45/13,308.19 = 6,550.51/x
  3. Step 3: Cross multiply
    8,891.45x = 13,308.19 × 6,550.51
  4. Step 4: Simplify right side
    8,891.45x = 87,175,431.68
  5. Step 5: Solve for x
    x = 87,175,431.68/8,891.45
  6. Step 6: Final answer
    x = 9,804.41

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1.5x scale

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.