Home / 4,778.79-7,169.51-2,004.81

Finding the Fourth Proportional to 4,778.79, 7,169.51 and 2,004.81

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Solution

The fourth proportional to 4,778.79, 7,169.51 and 2,004.81 is: 3,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.79 : 7,169.51 = 2,004.81 : x
  2. Step 2: Convert to fraction form
    4,778.79/7,169.51 = 2,004.81/x
  3. Step 3: Cross multiply
    4,778.79x = 7,169.51 × 2,004.81
  4. Step 4: Simplify right side
    4,778.79x = 14,373,505.34
  5. Step 5: Solve for x
    x = 14,373,505.34/4,778.79
  6. Step 6: Final answer
    x = 3,007.77

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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.