Home / 8,848.56-13,272.80-3,005.20

Finding the Fourth Proportional to 8,848.56, 13,272.80 and 3,005.20

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Solution

The fourth proportional to 8,848.56, 13,272.80 and 3,005.20 is: 4,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.56 : 13,272.80 = 3,005.20 : x
  2. Step 2: Convert to fraction form
    8,848.56/13,272.80 = 3,005.20/x
  3. Step 3: Cross multiply
    8,848.56x = 13,272.80 × 3,005.20
  4. Step 4: Simplify right side
    8,848.56x = 39,887,418.56
  5. Step 5: Solve for x
    x = 39,887,418.56/8,848.56
  6. Step 6: Final answer
    x = 4,507.79

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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.