Home / 6,826.91-9,420.77-3,842.87

Finding the Fourth Proportional to 6,826.91, 9,420.77 and 3,842.87

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Solution

The fourth proportional to 6,826.91, 9,420.77 and 3,842.87 is: 5,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.91 : 9,420.77 = 3,842.87 : x
  2. Step 2: Convert to fraction form
    6,826.91/9,420.77 = 3,842.87/x
  3. Step 3: Cross multiply
    6,826.91x = 9,420.77 × 3,842.87
  4. Step 4: Simplify right side
    6,826.91x = 36,202,756.91
  5. Step 5: Solve for x
    x = 36,202,756.91/6,826.91
  6. Step 6: Final answer
    x = 5,302.95

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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.