Home / 5,448.43-8,167.72-1,984.87

Finding the Fourth Proportional to 5,448.43, 8,167.72 and 1,984.87

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Solution

The fourth proportional to 5,448.43, 8,167.72 and 1,984.87 is: 2,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.43 : 8,167.72 = 1,984.87 : x
  2. Step 2: Convert to fraction form
    5,448.43/8,167.72 = 1,984.87/x
  3. Step 3: Cross multiply
    5,448.43x = 8,167.72 × 1,984.87
  4. Step 4: Simplify right side
    5,448.43x = 16,211,862.40
  5. Step 5: Solve for x
    x = 16,211,862.40/5,448.43
  6. Step 6: Final answer
    x = 2,975.51

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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.