Home / 5,557.20-7,669.04-3,199.49

Finding the Fourth Proportional to 5,557.20, 7,669.04 and 3,199.49

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Solution

The fourth proportional to 5,557.20, 7,669.04 and 3,199.49 is: 4,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.20 : 7,669.04 = 3,199.49 : x
  2. Step 2: Convert to fraction form
    5,557.20/7,669.04 = 3,199.49/x
  3. Step 3: Cross multiply
    5,557.20x = 7,669.04 × 3,199.49
  4. Step 4: Simplify right side
    5,557.20x = 24,537,016.79
  5. Step 5: Solve for x
    x = 24,537,016.79/5,557.20
  6. Step 6: Final answer
    x = 4,415.36

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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.