Home / 8,379.50-11,566.12-6,712.52

Finding the Fourth Proportional to 8,379.50, 11,566.12 and 6,712.52

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Solution

The fourth proportional to 8,379.50, 11,566.12 and 6,712.52 is: 9,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.50 : 11,566.12 = 6,712.52 : x
  2. Step 2: Convert to fraction form
    8,379.50/11,566.12 = 6,712.52/x
  3. Step 3: Cross multiply
    8,379.50x = 11,566.12 × 6,712.52
  4. Step 4: Simplify right side
    8,379.50x = 77,637,811.82
  5. Step 5: Solve for x
    x = 77,637,811.82/8,379.50
  6. Step 6: Final answer
    x = 9,265.21

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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.