Home / 6,819.66-9,411.12-3,835.35

Finding the Fourth Proportional to 6,819.66, 9,411.12 and 3,835.35

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Solution

The fourth proportional to 6,819.66, 9,411.12 and 3,835.35 is: 5,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.66 : 9,411.12 = 3,835.35 : x
  2. Step 2: Convert to fraction form
    6,819.66/9,411.12 = 3,835.35/x
  3. Step 3: Cross multiply
    6,819.66x = 9,411.12 × 3,835.35
  4. Step 4: Simplify right side
    6,819.66x = 36,094,939.09
  5. Step 5: Solve for x
    x = 36,094,939.09/6,819.66
  6. Step 6: Final answer
    x = 5,292.78

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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.