Home / 7,648.18-11,475.51-4,181.38

Finding the Fourth Proportional to 7,648.18, 11,475.51 and 4,181.38

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Solution

The fourth proportional to 7,648.18, 11,475.51 and 4,181.38 is: 6,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.18 : 11,475.51 = 4,181.38 : x
  2. Step 2: Convert to fraction form
    7,648.18/11,475.51 = 4,181.38/x
  3. Step 3: Cross multiply
    7,648.18x = 11,475.51 × 4,181.38
  4. Step 4: Simplify right side
    7,648.18x = 47,983,468.00
  5. Step 5: Solve for x
    x = 47,983,468.00/7,648.18
  6. Step 6: Final answer
    x = 6,273.84

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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.