Home / 6,810.83-9,399.06-4,122.30

Finding the Fourth Proportional to 6,810.83, 9,399.06 and 4,122.30

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Solution

The fourth proportional to 6,810.83, 9,399.06 and 4,122.30 is: 5,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.83 : 9,399.06 = 4,122.30 : x
  2. Step 2: Convert to fraction form
    6,810.83/9,399.06 = 4,122.30/x
  3. Step 3: Cross multiply
    6,810.83x = 9,399.06 × 4,122.30
  4. Step 4: Simplify right side
    6,810.83x = 38,745,745.04
  5. Step 5: Solve for x
    x = 38,745,745.04/6,810.83
  6. Step 6: Final answer
    x = 5,688.85

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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.