Home / 5,551.14-8,330.81-2,629.45

Finding the Fourth Proportional to 5,551.14, 8,330.81 and 2,629.45

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Solution

The fourth proportional to 5,551.14, 8,330.81 and 2,629.45 is: 3,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.14 : 8,330.81 = 2,629.45 : x
  2. Step 2: Convert to fraction form
    5,551.14/8,330.81 = 2,629.45/x
  3. Step 3: Cross multiply
    5,551.14x = 8,330.81 × 2,629.45
  4. Step 4: Simplify right side
    5,551.14x = 21,905,406.70
  5. Step 5: Solve for x
    x = 21,905,406.70/5,551.14
  6. Step 6: Final answer
    x = 3,946.11

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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.