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Finding the Fourth Proportional to 5,669.60, 8,506.22 and 2,551.50

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Solution

The fourth proportional to 5,669.60, 8,506.22 and 2,551.50 is: 3,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.60 : 8,506.22 = 2,551.50 : x
  2. Step 2: Convert to fraction form
    5,669.60/8,506.22 = 2,551.50/x
  3. Step 3: Cross multiply
    5,669.60x = 8,506.22 × 2,551.50
  4. Step 4: Simplify right side
    5,669.60x = 21,703,607.57
  5. Step 5: Solve for x
    x = 21,703,607.57/5,669.60
  6. Step 6: Final answer
    x = 3,828.07

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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.