Home / 8,840.72-13,257.60-3,291.02

Finding the Fourth Proportional to 8,840.72, 13,257.60 and 3,291.02

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Solution

The fourth proportional to 8,840.72, 13,257.60 and 3,291.02 is: 4,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.72 : 13,257.60 = 3,291.02 : x
  2. Step 2: Convert to fraction form
    8,840.72/13,257.60 = 3,291.02/x
  3. Step 3: Cross multiply
    8,840.72x = 13,257.60 × 3,291.02
  4. Step 4: Simplify right side
    8,840.72x = 43,631,059.90
  5. Step 5: Solve for x
    x = 43,631,059.90/8,840.72
  6. Step 6: Final answer
    x = 4,935.24

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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.