Home / 6,551.31-9,817.66-3,778.68

Finding the Fourth Proportional to 6,551.31, 9,817.66 and 3,778.68

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Solution

The fourth proportional to 6,551.31, 9,817.66 and 3,778.68 is: 5,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.31 : 9,817.66 = 3,778.68 : x
  2. Step 2: Convert to fraction form
    6,551.31/9,817.66 = 3,778.68/x
  3. Step 3: Cross multiply
    6,551.31x = 9,817.66 × 3,778.68
  4. Step 4: Simplify right side
    6,551.31x = 37,097,795.49
  5. Step 5: Solve for x
    x = 37,097,795.49/6,551.31
  6. Step 6: Final answer
    x = 5,662.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.