Home / 6,551.45-9,827.87-3,778.06

Finding the Fourth Proportional to 6,551.45, 9,827.87 and 3,778.06

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Solution

The fourth proportional to 6,551.45, 9,827.87 and 3,778.06 is: 5,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.45 : 9,827.87 = 3,778.06 : x
  2. Step 2: Convert to fraction form
    6,551.45/9,827.87 = 3,778.06/x
  3. Step 3: Cross multiply
    6,551.45x = 9,827.87 × 3,778.06
  4. Step 4: Simplify right side
    6,551.45x = 37,130,257.50
  5. Step 5: Solve for x
    x = 37,130,257.50/6,551.45
  6. Step 6: Final answer
    x = 5,667.49

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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.