Home / 6,977.32-9,628.67-3,790.59

Finding the Fourth Proportional to 6,977.32, 9,628.67 and 3,790.59

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Solution

The fourth proportional to 6,977.32, 9,628.67 and 3,790.59 is: 5,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.32 : 9,628.67 = 3,790.59 : x
  2. Step 2: Convert to fraction form
    6,977.32/9,628.67 = 3,790.59/x
  3. Step 3: Cross multiply
    6,977.32x = 9,628.67 × 3,790.59
  4. Step 4: Simplify right side
    6,977.32x = 36,498,345.33
  5. Step 5: Solve for x
    x = 36,498,345.33/6,977.32
  6. Step 6: Final answer
    x = 5,231.00

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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.