Home / 8,680.08-13,016.80-3,749.32

Finding the Fourth Proportional to 8,680.08, 13,016.80 and 3,749.32

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Solution

The fourth proportional to 8,680.08, 13,016.80 and 3,749.32 is: 5,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.08 : 13,016.80 = 3,749.32 : x
  2. Step 2: Convert to fraction form
    8,680.08/13,016.80 = 3,749.32/x
  3. Step 3: Cross multiply
    8,680.08x = 13,016.80 × 3,749.32
  4. Step 4: Simplify right side
    8,680.08x = 48,804,148.58
  5. Step 5: Solve for x
    x = 48,804,148.58/8,680.08
  6. Step 6: Final answer
    x = 5,622.55

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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.