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Finding the Fourth Proportional to 4,404.75, 6,078.27 and 2,415.27

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Solution

The fourth proportional to 4,404.75, 6,078.27 and 2,415.27 is: 3,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,404.75 : 6,078.27 = 2,415.27 : x
  2. Step 2: Convert to fraction form
    4,404.75/6,078.27 = 2,415.27/x
  3. Step 3: Cross multiply
    4,404.75x = 6,078.27 × 2,415.27
  4. Step 4: Simplify right side
    4,404.75x = 14,680,640.46
  5. Step 5: Solve for x
    x = 14,680,640.46/4,404.75
  6. Step 6: Final answer
    x = 3,332.91

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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.