Home / 6,826.70-9,421.75-3,843.11

Finding the Fourth Proportional to 6,826.70, 9,421.75 and 3,843.11

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Solution

The fourth proportional to 6,826.70, 9,421.75 and 3,843.11 is: 5,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.70 : 9,421.75 = 3,843.11 : x
  2. Step 2: Convert to fraction form
    6,826.70/9,421.75 = 3,843.11/x
  3. Step 3: Cross multiply
    6,826.70x = 9,421.75 × 3,843.11
  4. Step 4: Simplify right side
    6,826.70x = 36,208,835.59
  5. Step 5: Solve for x
    x = 36,208,835.59/6,826.70
  6. Step 6: Final answer
    x = 5,304.01

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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.