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Finding the Fourth Proportional to 6,077.79, 9,113.81 and 2,789.91

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Solution

The fourth proportional to 6,077.79, 9,113.81 and 2,789.91 is: 4,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.79 : 9,113.81 = 2,789.91 : x
  2. Step 2: Convert to fraction form
    6,077.79/9,113.81 = 2,789.91/x
  3. Step 3: Cross multiply
    6,077.79x = 9,113.81 × 2,789.91
  4. Step 4: Simplify right side
    6,077.79x = 25,426,695.71
  5. Step 5: Solve for x
    x = 25,426,695.71/6,077.79
  6. Step 6: Final answer
    x = 4,183.54

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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.