Home / 5,987.91-8,263.76-3,898.11

Finding the Fourth Proportional to 5,987.91, 8,263.76 and 3,898.11

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Solution

The fourth proportional to 5,987.91, 8,263.76 and 3,898.11 is: 5,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.91 : 8,263.76 = 3,898.11 : x
  2. Step 2: Convert to fraction form
    5,987.91/8,263.76 = 3,898.11/x
  3. Step 3: Cross multiply
    5,987.91x = 8,263.76 × 3,898.11
  4. Step 4: Simplify right side
    5,987.91x = 32,213,026.00
  5. Step 5: Solve for x
    x = 32,213,026.00/5,987.91
  6. Step 6: Final answer
    x = 5,379.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.