Home / 5,065.13-6,989.19-2,826.80

Finding the Fourth Proportional to 5,065.13, 6,989.19 and 2,826.80

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Solution

The fourth proportional to 5,065.13, 6,989.19 and 2,826.80 is: 3,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.13 : 6,989.19 = 2,826.80 : x
  2. Step 2: Convert to fraction form
    5,065.13/6,989.19 = 2,826.80/x
  3. Step 3: Cross multiply
    5,065.13x = 6,989.19 × 2,826.80
  4. Step 4: Simplify right side
    5,065.13x = 19,757,022.96
  5. Step 5: Solve for x
    x = 19,757,022.96/5,065.13
  6. Step 6: Final answer
    x = 3,900.59

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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.