Home / 9,166.20-13,750.64-3,321.44

Finding the Fourth Proportional to 9,166.20, 13,750.64 and 3,321.44

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Solution

The fourth proportional to 9,166.20, 13,750.64 and 3,321.44 is: 4,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.20 : 13,750.64 = 3,321.44 : x
  2. Step 2: Convert to fraction form
    9,166.20/13,750.64 = 3,321.44/x
  3. Step 3: Cross multiply
    9,166.20x = 13,750.64 × 3,321.44
  4. Step 4: Simplify right side
    9,166.20x = 45,671,925.72
  5. Step 5: Solve for x
    x = 45,671,925.72/9,166.20
  6. Step 6: Final answer
    x = 4,982.65

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1.5x scale

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.