Home / 5,448.42-8,171.10-1,551.78

Finding the Fourth Proportional to 5,448.42, 8,171.10 and 1,551.78

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Solution

The fourth proportional to 5,448.42, 8,171.10 and 1,551.78 is: 2,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.42 : 8,171.10 = 1,551.78 : x
  2. Step 2: Convert to fraction form
    5,448.42/8,171.10 = 1,551.78/x
  3. Step 3: Cross multiply
    5,448.42x = 8,171.10 × 1,551.78
  4. Step 4: Simplify right side
    5,448.42x = 12,679,749.56
  5. Step 5: Solve for x
    x = 12,679,749.56/5,448.42
  6. Step 6: Final answer
    x = 2,327.23

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1.5x scale

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.