Home / 6,977.16-9,628.62-3,790.47

Finding the Fourth Proportional to 6,977.16, 9,628.62 and 3,790.47

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Solution

The fourth proportional to 6,977.16, 9,628.62 and 3,790.47 is: 5,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.16 : 9,628.62 = 3,790.47 : x
  2. Step 2: Convert to fraction form
    6,977.16/9,628.62 = 3,790.47/x
  3. Step 3: Cross multiply
    6,977.16x = 9,628.62 × 3,790.47
  4. Step 4: Simplify right side
    6,977.16x = 36,496,995.25
  5. Step 5: Solve for x
    x = 36,496,995.25/6,977.16
  6. Step 6: Final answer
    x = 5,230.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.