Home / 5,515.50-8,267.78-3,051.48

Finding the Fourth Proportional to 5,515.50, 8,267.78 and 3,051.48

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Solution

The fourth proportional to 5,515.50, 8,267.78 and 3,051.48 is: 4,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.50 : 8,267.78 = 3,051.48 : x
  2. Step 2: Convert to fraction form
    5,515.50/8,267.78 = 3,051.48/x
  3. Step 3: Cross multiply
    5,515.50x = 8,267.78 × 3,051.48
  4. Step 4: Simplify right side
    5,515.50x = 25,228,965.31
  5. Step 5: Solve for x
    x = 25,228,965.31/5,515.50
  6. Step 6: Final answer
    x = 4,574.19

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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.