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Finding the Fourth Proportional to 5,947.71, 8,921.71 and 1,999.03

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Solution

The fourth proportional to 5,947.71, 8,921.71 and 1,999.03 is: 2,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.71 : 8,921.71 = 1,999.03 : x
  2. Step 2: Convert to fraction form
    5,947.71/8,921.71 = 1,999.03/x
  3. Step 3: Cross multiply
    5,947.71x = 8,921.71 × 1,999.03
  4. Step 4: Simplify right side
    5,947.71x = 17,834,748.63
  5. Step 5: Solve for x
    x = 17,834,748.63/5,947.71
  6. Step 6: Final answer
    x = 2,998.59

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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.