Home / 5,154.38-7,730.67-1,455.74

Finding the Fourth Proportional to 5,154.38, 7,730.67 and 1,455.74

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Solution

The fourth proportional to 5,154.38, 7,730.67 and 1,455.74 is: 2,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.38 : 7,730.67 = 1,455.74 : x
  2. Step 2: Convert to fraction form
    5,154.38/7,730.67 = 1,455.74/x
  3. Step 3: Cross multiply
    5,154.38x = 7,730.67 × 1,455.74
  4. Step 4: Simplify right side
    5,154.38x = 11,253,845.55
  5. Step 5: Solve for x
    x = 11,253,845.55/5,154.38
  6. Step 6: Final answer
    x = 2,183.36

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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.