Home / 6,964.11-10,438.88-5,112.45

Finding the Fourth Proportional to 6,964.11, 10,438.88 and 5,112.45

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Solution

The fourth proportional to 6,964.11, 10,438.88 and 5,112.45 is: 7,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.11 : 10,438.88 = 5,112.45 : x
  2. Step 2: Convert to fraction form
    6,964.11/10,438.88 = 5,112.45/x
  3. Step 3: Cross multiply
    6,964.11x = 10,438.88 × 5,112.45
  4. Step 4: Simplify right side
    6,964.11x = 53,368,226.49
  5. Step 5: Solve for x
    x = 53,368,226.49/6,964.11
  6. Step 6: Final answer
    x = 7,663.32

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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.