Home / 6,810.05-9,398.00-3,826.21

Finding the Fourth Proportional to 6,810.05, 9,398.00 and 3,826.21

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Solution

The fourth proportional to 6,810.05, 9,398.00 and 3,826.21 is: 5,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.05 : 9,398.00 = 3,826.21 : x
  2. Step 2: Convert to fraction form
    6,810.05/9,398.00 = 3,826.21/x
  3. Step 3: Cross multiply
    6,810.05x = 9,398.00 × 3,826.21
  4. Step 4: Simplify right side
    6,810.05x = 35,958,707.65
  5. Step 5: Solve for x
    x = 35,958,707.65/6,810.05
  6. Step 6: Final answer
    x = 5,280.25

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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.