Home / 6,977.07-9,628.56-3,790.58

Finding the Fourth Proportional to 6,977.07, 9,628.56 and 3,790.58

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Solution

The fourth proportional to 6,977.07, 9,628.56 and 3,790.58 is: 5,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.07 : 9,628.56 = 3,790.58 : x
  2. Step 2: Convert to fraction form
    6,977.07/9,628.56 = 3,790.58/x
  3. Step 3: Cross multiply
    6,977.07x = 9,628.56 × 3,790.58
  4. Step 4: Simplify right side
    6,977.07x = 36,497,778.82
  5. Step 5: Solve for x
    x = 36,497,778.82/6,977.07
  6. Step 6: Final answer
    x = 5,231.10

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1.5x scale

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.