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Finding the Fourth Proportional to 4,008.99, 6,007.29 and 2,778.81

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Solution

The fourth proportional to 4,008.99, 6,007.29 and 2,778.81 is: 4,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.99 : 6,007.29 = 2,778.81 : x
  2. Step 2: Convert to fraction form
    4,008.99/6,007.29 = 2,778.81/x
  3. Step 3: Cross multiply
    4,008.99x = 6,007.29 × 2,778.81
  4. Step 4: Simplify right side
    4,008.99x = 16,693,117.52
  5. Step 5: Solve for x
    x = 16,693,117.52/4,008.99
  6. Step 6: Final answer
    x = 4,163.92

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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.