Home / 8,891.28-13,338.81-3,046.32

Finding the Fourth Proportional to 8,891.28, 13,338.81 and 3,046.32

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Solution

The fourth proportional to 8,891.28, 13,338.81 and 3,046.32 is: 4,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.28 : 13,338.81 = 3,046.32 : x
  2. Step 2: Convert to fraction form
    8,891.28/13,338.81 = 3,046.32/x
  3. Step 3: Cross multiply
    8,891.28x = 13,338.81 × 3,046.32
  4. Step 4: Simplify right side
    8,891.28x = 40,634,283.68
  5. Step 5: Solve for x
    x = 40,634,283.68/8,891.28
  6. Step 6: Final answer
    x = 4,570.13

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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.