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Finding the Fourth Proportional to 8,008.47, 10,981.44 and 7,730.37

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Solution

The fourth proportional to 8,008.47, 10,981.44 and 7,730.37 is: 10,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.47 : 10,981.44 = 7,730.37 : x
  2. Step 2: Convert to fraction form
    8,008.47/10,981.44 = 7,730.37/x
  3. Step 3: Cross multiply
    8,008.47x = 10,981.44 × 7,730.37
  4. Step 4: Simplify right side
    8,008.47x = 84,890,594.33
  5. Step 5: Solve for x
    x = 84,890,594.33/8,008.47
  6. Step 6: Final answer
    x = 10,600.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.