Home / 8,984.67-13,479.44-5,091.81

Finding the Fourth Proportional to 8,984.67, 13,479.44 and 5,091.81

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Solution

The fourth proportional to 8,984.67, 13,479.44 and 5,091.81 is: 7,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.67 : 13,479.44 = 5,091.81 : x
  2. Step 2: Convert to fraction form
    8,984.67/13,479.44 = 5,091.81/x
  3. Step 3: Cross multiply
    8,984.67x = 13,479.44 × 5,091.81
  4. Step 4: Simplify right side
    8,984.67x = 68,634,721.93
  5. Step 5: Solve for x
    x = 68,634,721.93/8,984.67
  6. Step 6: Final answer
    x = 7,639.09

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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.