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Finding the Fourth Proportional to 6,490.88, 9,737.93 and 1,873.88

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Solution

The fourth proportional to 6,490.88, 9,737.93 and 1,873.88 is: 2,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.88 : 9,737.93 = 1,873.88 : x
  2. Step 2: Convert to fraction form
    6,490.88/9,737.93 = 1,873.88/x
  3. Step 3: Cross multiply
    6,490.88x = 9,737.93 × 1,873.88
  4. Step 4: Simplify right side
    6,490.88x = 18,247,668.26
  5. Step 5: Solve for x
    x = 18,247,668.26/6,490.88
  6. Step 6: Final answer
    x = 2,811.28

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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.