Home / 8,442.62-11,651.27-5,086.47

Finding the Fourth Proportional to 8,442.62, 11,651.27 and 5,086.47

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Solution

The fourth proportional to 8,442.62, 11,651.27 and 5,086.47 is: 7,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.62 : 11,651.27 = 5,086.47 : x
  2. Step 2: Convert to fraction form
    8,442.62/11,651.27 = 5,086.47/x
  3. Step 3: Cross multiply
    8,442.62x = 11,651.27 × 5,086.47
  4. Step 4: Simplify right side
    8,442.62x = 59,263,809.88
  5. Step 5: Solve for x
    x = 59,263,809.88/8,442.62
  6. Step 6: Final answer
    x = 7,019.60

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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.