Home / 6,810.90-9,399.11-3,826.77

Finding the Fourth Proportional to 6,810.90, 9,399.11 and 3,826.77

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Solution

The fourth proportional to 6,810.90, 9,399.11 and 3,826.77 is: 5,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.90 : 9,399.11 = 3,826.77 : x
  2. Step 2: Convert to fraction form
    6,810.90/9,399.11 = 3,826.77/x
  3. Step 3: Cross multiply
    6,810.90x = 9,399.11 × 3,826.77
  4. Step 4: Simplify right side
    6,810.90x = 35,968,213.04
  5. Step 5: Solve for x
    x = 35,968,213.04/6,810.90
  6. Step 6: Final answer
    x = 5,280.98

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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.