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Finding the Fourth Proportional to 4,402.88, 6,602.50 and 1,939.32

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Solution

The fourth proportional to 4,402.88, 6,602.50 and 1,939.32 is: 2,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,402.88 : 6,602.50 = 1,939.32 : x
  2. Step 2: Convert to fraction form
    4,402.88/6,602.50 = 1,939.32/x
  3. Step 3: Cross multiply
    4,402.88x = 6,602.50 × 1,939.32
  4. Step 4: Simplify right side
    4,402.88x = 12,804,360.30
  5. Step 5: Solve for x
    x = 12,804,360.30/4,402.88
  6. Step 6: Final answer
    x = 2,908.18

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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.