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Finding the Fourth Proportional to 4,013.88, 6,009.88 and 2,712.76

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Solution

The fourth proportional to 4,013.88, 6,009.88 and 2,712.76 is: 4,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.88 : 6,009.88 = 2,712.76 : x
  2. Step 2: Convert to fraction form
    4,013.88/6,009.88 = 2,712.76/x
  3. Step 3: Cross multiply
    4,013.88x = 6,009.88 × 2,712.76
  4. Step 4: Simplify right side
    4,013.88x = 16,303,362.07
  5. Step 5: Solve for x
    x = 16,303,362.07/4,013.88
  6. Step 6: Final answer
    x = 4,061.75

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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.