Home / 4,004.78-6,006.61-1,230.68

Finding the Fourth Proportional to 4,004.78, 6,006.61 and 1,230.68

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Solution

The fourth proportional to 4,004.78, 6,006.61 and 1,230.68 is: 1,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004.78 : 6,006.61 = 1,230.68 : x
  2. Step 2: Convert to fraction form
    4,004.78/6,006.61 = 1,230.68/x
  3. Step 3: Cross multiply
    4,004.78x = 6,006.61 × 1,230.68
  4. Step 4: Simplify right side
    4,004.78x = 7,392,214.79
  5. Step 5: Solve for x
    x = 7,392,214.79/4,004.78
  6. Step 6: Final answer
    x = 1,845.85

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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.