Home / 9,905.70-14,858.01-3,331.20

Finding the Fourth Proportional to 9,905.70, 14,858.01 and 3,331.20

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Solution

The fourth proportional to 9,905.70, 14,858.01 and 3,331.20 is: 4,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.70 : 14,858.01 = 3,331.20 : x
  2. Step 2: Convert to fraction form
    9,905.70/14,858.01 = 3,331.20/x
  3. Step 3: Cross multiply
    9,905.70x = 14,858.01 × 3,331.20
  4. Step 4: Simplify right side
    9,905.70x = 49,495,002.91
  5. Step 5: Solve for x
    x = 49,495,002.91/9,905.70
  6. Step 6: Final answer
    x = 4,996.62

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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.