Home / 7,837.61-11,753.45-3,156.03

Finding the Fourth Proportional to 7,837.61, 11,753.45 and 3,156.03

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Solution

The fourth proportional to 7,837.61, 11,753.45 and 3,156.03 is: 4,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.61 : 11,753.45 = 3,156.03 : x
  2. Step 2: Convert to fraction form
    7,837.61/11,753.45 = 3,156.03/x
  3. Step 3: Cross multiply
    7,837.61x = 11,753.45 × 3,156.03
  4. Step 4: Simplify right side
    7,837.61x = 37,094,240.80
  5. Step 5: Solve for x
    x = 37,094,240.80/7,837.61
  6. Step 6: Final answer
    x = 4,732.85

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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.