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Finding the Fourth Proportional to 4,366.78, 6,013.02 and 3,911.65

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Solution

The fourth proportional to 4,366.78, 6,013.02 and 3,911.65 is: 5,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,366.78 : 6,013.02 = 3,911.65 : x
  2. Step 2: Convert to fraction form
    4,366.78/6,013.02 = 3,911.65/x
  3. Step 3: Cross multiply
    4,366.78x = 6,013.02 × 3,911.65
  4. Step 4: Simplify right side
    4,366.78x = 23,520,829.68
  5. Step 5: Solve for x
    x = 23,520,829.68/4,366.78
  6. Step 6: Final answer
    x = 5,386.31

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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.