Home / 9,905.87-14,857.20-3,664.45

Finding the Fourth Proportional to 9,905.87, 14,857.20 and 3,664.45

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Solution

The fourth proportional to 9,905.87, 14,857.20 and 3,664.45 is: 5,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.87 : 14,857.20 = 3,664.45 : x
  2. Step 2: Convert to fraction form
    9,905.87/14,857.20 = 3,664.45/x
  3. Step 3: Cross multiply
    9,905.87x = 14,857.20 × 3,664.45
  4. Step 4: Simplify right side
    9,905.87x = 54,443,392.25
  5. Step 5: Solve for x
    x = 54,443,392.25/9,905.87
  6. Step 6: Final answer
    x = 5,496.08

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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.