Home / 6,820.19-9,410.69-3,835.79

Finding the Fourth Proportional to 6,820.19, 9,410.69 and 3,835.79

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Solution

The fourth proportional to 6,820.19, 9,410.69 and 3,835.79 is: 5,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.19 : 9,410.69 = 3,835.79 : x
  2. Step 2: Convert to fraction form
    6,820.19/9,410.69 = 3,835.79/x
  3. Step 3: Cross multiply
    6,820.19x = 9,410.69 × 3,835.79
  4. Step 4: Simplify right side
    6,820.19x = 36,097,411.42
  5. Step 5: Solve for x
    x = 36,097,411.42/6,820.19
  6. Step 6: Final answer
    x = 5,292.73

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Double scale
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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.