Home / 10,410.66-15,617.01-3,390.36

Finding the Fourth Proportional to 10,410.66, 15,617.01 and 3,390.36

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Solution

The fourth proportional to 10,410.66, 15,617.01 and 3,390.36 is: 5,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.66 : 15,617.01 = 3,390.36 : x
  2. Step 2: Convert to fraction form
    10,410.66/15,617.01 = 3,390.36/x
  3. Step 3: Cross multiply
    10,410.66x = 15,617.01 × 3,390.36
  4. Step 4: Simplify right side
    10,410.66x = 52,947,286.02
  5. Step 5: Solve for x
    x = 52,947,286.02/10,410.66
  6. Step 6: Final answer
    x = 5,085.87

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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.