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Finding the Fourth Proportional to 6,000.78, 9,001.77 and 2,490.06

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Solution

The fourth proportional to 6,000.78, 9,001.77 and 2,490.06 is: 3,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,000.78 : 9,001.77 = 2,490.06 : x
  2. Step 2: Convert to fraction form
    6,000.78/9,001.77 = 2,490.06/x
  3. Step 3: Cross multiply
    6,000.78x = 9,001.77 × 2,490.06
  4. Step 4: Simplify right side
    6,000.78x = 22,414,947.41
  5. Step 5: Solve for x
    x = 22,414,947.41/6,000.78
  6. Step 6: Final answer
    x = 3,735.34

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1.5x scale

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.