Home / 9,816.30-14,726.90-3,579.72

Finding the Fourth Proportional to 9,816.30, 14,726.90 and 3,579.72

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Solution

The fourth proportional to 9,816.30, 14,726.90 and 3,579.72 is: 5,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.30 : 14,726.90 = 3,579.72 : x
  2. Step 2: Convert to fraction form
    9,816.30/14,726.90 = 3,579.72/x
  3. Step 3: Cross multiply
    9,816.30x = 14,726.90 × 3,579.72
  4. Step 4: Simplify right side
    9,816.30x = 52,718,160.57
  5. Step 5: Solve for x
    x = 52,718,160.57/9,816.30
  6. Step 6: Final answer
    x = 5,370.47

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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.