Home / 4,778.46-7,164.04-2,700.81

Finding the Fourth Proportional to 4,778.46, 7,164.04 and 2,700.81

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Solution

The fourth proportional to 4,778.46, 7,164.04 and 2,700.81 is: 4,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.46 : 7,164.04 = 2,700.81 : x
  2. Step 2: Convert to fraction form
    4,778.46/7,164.04 = 2,700.81/x
  3. Step 3: Cross multiply
    4,778.46x = 7,164.04 × 2,700.81
  4. Step 4: Simplify right side
    4,778.46x = 19,348,661.55
  5. Step 5: Solve for x
    x = 19,348,661.55/4,778.46
  6. Step 6: Final answer
    x = 4,049.15

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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.