Home / 7,964.40-11,942.16-4,265.52

Finding the Fourth Proportional to 7,964.40, 11,942.16 and 4,265.52

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Solution

The fourth proportional to 7,964.40, 11,942.16 and 4,265.52 is: 6,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.40 : 11,942.16 = 4,265.52 : x
  2. Step 2: Convert to fraction form
    7,964.40/11,942.16 = 4,265.52/x
  3. Step 3: Cross multiply
    7,964.40x = 11,942.16 × 4,265.52
  4. Step 4: Simplify right side
    7,964.40x = 50,939,522.32
  5. Step 5: Solve for x
    x = 50,939,522.32/7,964.40
  6. Step 6: Final answer
    x = 6,395.90

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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.