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Finding the Fourth Proportional to 8,027.80, 11,080.93 and 4,669.98

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Solution

The fourth proportional to 8,027.80, 11,080.93 and 4,669.98 is: 6,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.80 : 11,080.93 = 4,669.98 : x
  2. Step 2: Convert to fraction form
    8,027.80/11,080.93 = 4,669.98/x
  3. Step 3: Cross multiply
    8,027.80x = 11,080.93 × 4,669.98
  4. Step 4: Simplify right side
    8,027.80x = 51,747,721.48
  5. Step 5: Solve for x
    x = 51,747,721.48/8,027.80
  6. Step 6: Final answer
    x = 6,446.07

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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.