Home / 7,898.26-11,840.35-4,000.66

Finding the Fourth Proportional to 7,898.26, 11,840.35 and 4,000.66

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Solution

The fourth proportional to 7,898.26, 11,840.35 and 4,000.66 is: 5,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.26 : 11,840.35 = 4,000.66 : x
  2. Step 2: Convert to fraction form
    7,898.26/11,840.35 = 4,000.66/x
  3. Step 3: Cross multiply
    7,898.26x = 11,840.35 × 4,000.66
  4. Step 4: Simplify right side
    7,898.26x = 47,369,214.63
  5. Step 5: Solve for x
    x = 47,369,214.63/7,898.26
  6. Step 6: Final answer
    x = 5,997.42

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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.