Home / 8,556.62-11,802.39-6,437.66

Finding the Fourth Proportional to 8,556.62, 11,802.39 and 6,437.66

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Solution

The fourth proportional to 8,556.62, 11,802.39 and 6,437.66 is: 8,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.62 : 11,802.39 = 6,437.66 : x
  2. Step 2: Convert to fraction form
    8,556.62/11,802.39 = 6,437.66/x
  3. Step 3: Cross multiply
    8,556.62x = 11,802.39 × 6,437.66
  4. Step 4: Simplify right side
    8,556.62x = 75,979,774.01
  5. Step 5: Solve for x
    x = 75,979,774.01/8,556.62
  6. Step 6: Final answer
    x = 8,879.65

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1.5x scale

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.