Home / 9,122.40-13,684.56-2,964.96

Finding the Fourth Proportional to 9,122.40, 13,684.56 and 2,964.96

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Solution

The fourth proportional to 9,122.40, 13,684.56 and 2,964.96 is: 4,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.40 : 13,684.56 = 2,964.96 : x
  2. Step 2: Convert to fraction form
    9,122.40/13,684.56 = 2,964.96/x
  3. Step 3: Cross multiply
    9,122.40x = 13,684.56 × 2,964.96
  4. Step 4: Simplify right side
    9,122.40x = 40,574,173.02
  5. Step 5: Solve for x
    x = 40,574,173.02/9,122.40
  6. Step 6: Final answer
    x = 4,447.75

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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.