Home / 6,977.36-10,463.36-2,815.92

Finding the Fourth Proportional to 6,977.36, 10,463.36 and 2,815.92

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Solution

The fourth proportional to 6,977.36, 10,463.36 and 2,815.92 is: 4,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.36 : 10,463.36 = 2,815.92 : x
  2. Step 2: Convert to fraction form
    6,977.36/10,463.36 = 2,815.92/x
  3. Step 3: Cross multiply
    6,977.36x = 10,463.36 × 2,815.92
  4. Step 4: Simplify right side
    6,977.36x = 29,463,984.69
  5. Step 5: Solve for x
    x = 29,463,984.69/6,977.36
  6. Step 6: Final answer
    x = 4,222.80

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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.