Home / 9,621.29-14,420.72-4,072.79

Finding the Fourth Proportional to 9,621.29, 14,420.72 and 4,072.79

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Solution

The fourth proportional to 9,621.29, 14,420.72 and 4,072.79 is: 6,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.29 : 14,420.72 = 4,072.79 : x
  2. Step 2: Convert to fraction form
    9,621.29/14,420.72 = 4,072.79/x
  3. Step 3: Cross multiply
    9,621.29x = 14,420.72 × 4,072.79
  4. Step 4: Simplify right side
    9,621.29x = 58,732,502.29
  5. Step 5: Solve for x
    x = 58,732,502.29/9,621.29
  6. Step 6: Final answer
    x = 6,104.43

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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.