Home / 6,819.56-9,411.08-3,835.11

Finding the Fourth Proportional to 6,819.56, 9,411.08 and 3,835.11

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Solution

The fourth proportional to 6,819.56, 9,411.08 and 3,835.11 is: 5,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.56 : 9,411.08 = 3,835.11 : x
  2. Step 2: Convert to fraction form
    6,819.56/9,411.08 = 3,835.11/x
  3. Step 3: Cross multiply
    6,819.56x = 9,411.08 × 3,835.11
  4. Step 4: Simplify right side
    6,819.56x = 36,092,507.84
  5. Step 5: Solve for x
    x = 36,092,507.84/6,819.56
  6. Step 6: Final answer
    x = 5,292.50

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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.