Home / 10,450.29-15,664.41-3,428.46

Finding the Fourth Proportional to 10,450.29, 15,664.41 and 3,428.46

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Solution

The fourth proportional to 10,450.29, 15,664.41 and 3,428.46 is: 5,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.29 : 15,664.41 = 3,428.46 : x
  2. Step 2: Convert to fraction form
    10,450.29/15,664.41 = 3,428.46/x
  3. Step 3: Cross multiply
    10,450.29x = 15,664.41 × 3,428.46
  4. Step 4: Simplify right side
    10,450.29x = 53,704,803.11
  5. Step 5: Solve for x
    x = 53,704,803.11/10,450.29
  6. Step 6: Final answer
    x = 5,139.07

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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.