Home / 9,121.44-13,679.28-2,964

Finding the Fourth Proportional to 9,121.44, 13,679.28 and 2,964

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Solution

The fourth proportional to 9,121.44, 13,679.28 and 2,964 is: 4,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.44 : 13,679.28 = 2,964 : x
  2. Step 2: Convert to fraction form
    9,121.44/13,679.28 = 2,964/x
  3. Step 3: Cross multiply
    9,121.44x = 13,679.28 × 2,964
  4. Step 4: Simplify right side
    9,121.44x = 40,545,385.92
  5. Step 5: Solve for x
    x = 40,545,385.92/9,121.44
  6. Step 6: Final answer
    x = 4,445.06

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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.