Home / 5,557.52-7,669.12-3,039.60

Finding the Fourth Proportional to 5,557.52, 7,669.12 and 3,039.60

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Solution

The fourth proportional to 5,557.52, 7,669.12 and 3,039.60 is: 4,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.52 : 7,669.12 = 3,039.60 : x
  2. Step 2: Convert to fraction form
    5,557.52/7,669.12 = 3,039.60/x
  3. Step 3: Cross multiply
    5,557.52x = 7,669.12 × 3,039.60
  4. Step 4: Simplify right side
    5,557.52x = 23,311,057.15
  5. Step 5: Solve for x
    x = 23,311,057.15/5,557.52
  6. Step 6: Final answer
    x = 4,194.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.