Home / 5,548.81-7,654.98-3,190.45

Finding the Fourth Proportional to 5,548.81, 7,654.98 and 3,190.45

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Solution

The fourth proportional to 5,548.81, 7,654.98 and 3,190.45 is: 4,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.81 : 7,654.98 = 3,190.45 : x
  2. Step 2: Convert to fraction form
    5,548.81/7,654.98 = 3,190.45/x
  3. Step 3: Cross multiply
    5,548.81x = 7,654.98 × 3,190.45
  4. Step 4: Simplify right side
    5,548.81x = 24,422,830.94
  5. Step 5: Solve for x
    x = 24,422,830.94/5,548.81
  6. Step 6: Final answer
    x = 4,401.45

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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.