Home / 5,386.72-7,433.64-3,028.89

Finding the Fourth Proportional to 5,386.72, 7,433.64 and 3,028.89

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Solution

The fourth proportional to 5,386.72, 7,433.64 and 3,028.89 is: 4,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.72 : 7,433.64 = 3,028.89 : x
  2. Step 2: Convert to fraction form
    5,386.72/7,433.64 = 3,028.89/x
  3. Step 3: Cross multiply
    5,386.72x = 7,433.64 × 3,028.89
  4. Step 4: Simplify right side
    5,386.72x = 22,515,677.86
  5. Step 5: Solve for x
    x = 22,515,677.86/5,386.72
  6. Step 6: Final answer
    x = 4,179.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.