Home / 9,719.45-14,581.29-3,146.30

Finding the Fourth Proportional to 9,719.45, 14,581.29 and 3,146.30

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Solution

The fourth proportional to 9,719.45, 14,581.29 and 3,146.30 is: 4,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.45 : 14,581.29 = 3,146.30 : x
  2. Step 2: Convert to fraction form
    9,719.45/14,581.29 = 3,146.30/x
  3. Step 3: Cross multiply
    9,719.45x = 14,581.29 × 3,146.30
  4. Step 4: Simplify right side
    9,719.45x = 45,877,112.73
  5. Step 5: Solve for x
    x = 45,877,112.73/9,719.45
  6. Step 6: Final answer
    x = 4,720.13

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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.