Home / 4,102.40-6,152.99-1,329.31

Finding the Fourth Proportional to 4,102.40, 6,152.99 and 1,329.31

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Solution

The fourth proportional to 4,102.40, 6,152.99 and 1,329.31 is: 1,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.40 : 6,152.99 = 1,329.31 : x
  2. Step 2: Convert to fraction form
    4,102.40/6,152.99 = 1,329.31/x
  3. Step 3: Cross multiply
    4,102.40x = 6,152.99 × 1,329.31
  4. Step 4: Simplify right side
    4,102.40x = 8,179,235.92
  5. Step 5: Solve for x
    x = 8,179,235.92/4,102.40
  6. Step 6: Final answer
    x = 1,993.77

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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.