Home / 6,811.16-9,398.43-3,826.85

Finding the Fourth Proportional to 6,811.16, 9,398.43 and 3,826.85

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Solution

The fourth proportional to 6,811.16, 9,398.43 and 3,826.85 is: 5,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.16 : 9,398.43 = 3,826.85 : x
  2. Step 2: Convert to fraction form
    6,811.16/9,398.43 = 3,826.85/x
  3. Step 3: Cross multiply
    6,811.16x = 9,398.43 × 3,826.85
  4. Step 4: Simplify right side
    6,811.16x = 35,966,334.85
  5. Step 5: Solve for x
    x = 35,966,334.85/6,811.16
  6. Step 6: Final answer
    x = 5,280.50

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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.