Home / 4,124.07-6,186.10-1,815.57

Finding the Fourth Proportional to 4,124.07, 6,186.10 and 1,815.57

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Solution

The fourth proportional to 4,124.07, 6,186.10 and 1,815.57 is: 2,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.07 : 6,186.10 = 1,815.57 : x
  2. Step 2: Convert to fraction form
    4,124.07/6,186.10 = 1,815.57/x
  3. Step 3: Cross multiply
    4,124.07x = 6,186.10 × 1,815.57
  4. Step 4: Simplify right side
    4,124.07x = 11,231,257.57
  5. Step 5: Solve for x
    x = 11,231,257.57/4,124.07
  6. Step 6: Final answer
    x = 2,723.35

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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.