Home / 6,105.89-9,155.58-2,986.44

Finding the Fourth Proportional to 6,105.89, 9,155.58 and 2,986.44

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Solution

The fourth proportional to 6,105.89, 9,155.58 and 2,986.44 is: 4,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.89 : 9,155.58 = 2,986.44 : x
  2. Step 2: Convert to fraction form
    6,105.89/9,155.58 = 2,986.44/x
  3. Step 3: Cross multiply
    6,105.89x = 9,155.58 × 2,986.44
  4. Step 4: Simplify right side
    6,105.89x = 27,342,590.34
  5. Step 5: Solve for x
    x = 27,342,590.34/6,105.89
  6. Step 6: Final answer
    x = 4,478.07

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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.