Home / 4,781.55-7,176.88-2,936.27

Finding the Fourth Proportional to 4,781.55, 7,176.88 and 2,936.27

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Solution

The fourth proportional to 4,781.55, 7,176.88 and 2,936.27 is: 4,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.55 : 7,176.88 = 2,936.27 : x
  2. Step 2: Convert to fraction form
    4,781.55/7,176.88 = 2,936.27/x
  3. Step 3: Cross multiply
    4,781.55x = 7,176.88 × 2,936.27
  4. Step 4: Simplify right side
    4,781.55x = 21,073,214.21
  5. Step 5: Solve for x
    x = 21,073,214.21/4,781.55
  6. Step 6: Final answer
    x = 4,407.19

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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.