Home / 8,987.36-13,480.43-5,277.96

Finding the Fourth Proportional to 8,987.36, 13,480.43 and 5,277.96

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Solution

The fourth proportional to 8,987.36, 13,480.43 and 5,277.96 is: 7,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.36 : 13,480.43 = 5,277.96 : x
  2. Step 2: Convert to fraction form
    8,987.36/13,480.43 = 5,277.96/x
  3. Step 3: Cross multiply
    8,987.36x = 13,480.43 × 5,277.96
  4. Step 4: Simplify right side
    8,987.36x = 71,149,143.93
  5. Step 5: Solve for x
    x = 71,149,143.93/8,987.36
  6. Step 6: Final answer
    x = 7,916.58

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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.