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Finding the Fourth Proportional to 4,011, 6,013.80 and 2,061.60

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Solution

The fourth proportional to 4,011, 6,013.80 and 2,061.60 is: 3,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011 : 6,013.80 = 2,061.60 : x
  2. Step 2: Convert to fraction form
    4,011/6,013.80 = 2,061.60/x
  3. Step 3: Cross multiply
    4,011x = 6,013.80 × 2,061.60
  4. Step 4: Simplify right side
    4,011x = 12,398,050.08
  5. Step 5: Solve for x
    x = 12,398,050.08/4,011
  6. Step 6: Final answer
    x = 3,091.01

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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.