Home / 5,557.26-7,669.68-3,199.32

Finding the Fourth Proportional to 5,557.26, 7,669.68 and 3,199.32

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Solution

The fourth proportional to 5,557.26, 7,669.68 and 3,199.32 is: 4,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.26 : 7,669.68 = 3,199.32 : x
  2. Step 2: Convert to fraction form
    5,557.26/7,669.68 = 3,199.32/x
  3. Step 3: Cross multiply
    5,557.26x = 7,669.68 × 3,199.32
  4. Step 4: Simplify right side
    5,557.26x = 24,537,760.62
  5. Step 5: Solve for x
    x = 24,537,760.62/5,557.26
  6. Step 6: Final answer
    x = 4,415.44

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1.5x scale

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.