Home / 9,456.60-14,186.40-3,217.20

Finding the Fourth Proportional to 9,456.60, 14,186.40 and 3,217.20

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Solution

The fourth proportional to 9,456.60, 14,186.40 and 3,217.20 is: 4,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.60 : 14,186.40 = 3,217.20 : x
  2. Step 2: Convert to fraction form
    9,456.60/14,186.40 = 3,217.20/x
  3. Step 3: Cross multiply
    9,456.60x = 14,186.40 × 3,217.20
  4. Step 4: Simplify right side
    9,456.60x = 45,640,486.08
  5. Step 5: Solve for x
    x = 45,640,486.08/9,456.60
  6. Step 6: Final answer
    x = 4,826.31

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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.