Home / 5,448.81-8,173.22-1,344.81

Finding the Fourth Proportional to 5,448.81, 8,173.22 and 1,344.81

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Solution

The fourth proportional to 5,448.81, 8,173.22 and 1,344.81 is: 2,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.81 : 8,173.22 = 1,344.81 : x
  2. Step 2: Convert to fraction form
    5,448.81/8,173.22 = 1,344.81/x
  3. Step 3: Cross multiply
    5,448.81x = 8,173.22 × 1,344.81
  4. Step 4: Simplify right side
    5,448.81x = 10,991,446.74
  5. Step 5: Solve for x
    x = 10,991,446.74/5,448.81
  6. Step 6: Final answer
    x = 2,017.22

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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.