Home / 10,252.61-15,375.72-2,857.67

Finding the Fourth Proportional to 10,252.61, 15,375.72 and 2,857.67

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Solution

The fourth proportional to 10,252.61, 15,375.72 and 2,857.67 is: 4,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.61 : 15,375.72 = 2,857.67 : x
  2. Step 2: Convert to fraction form
    10,252.61/15,375.72 = 2,857.67/x
  3. Step 3: Cross multiply
    10,252.61x = 15,375.72 × 2,857.67
  4. Step 4: Simplify right side
    10,252.61x = 43,938,656.89
  5. Step 5: Solve for x
    x = 43,938,656.89/10,252.61
  6. Step 6: Final answer
    x = 4,285.61

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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.