Home / 5,340.41-7,998.30-3,698.12

Finding the Fourth Proportional to 5,340.41, 7,998.30 and 3,698.12

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Solution

The fourth proportional to 5,340.41, 7,998.30 and 3,698.12 is: 5,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.41 : 7,998.30 = 3,698.12 : x
  2. Step 2: Convert to fraction form
    5,340.41/7,998.30 = 3,698.12/x
  3. Step 3: Cross multiply
    5,340.41x = 7,998.30 × 3,698.12
  4. Step 4: Simplify right side
    5,340.41x = 29,578,633.20
  5. Step 5: Solve for x
    x = 29,578,633.20/5,340.41
  6. Step 6: Final answer
    x = 5,538.65

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1.5x scale

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.