Home / 8,487.62-12,727.30-2,941.28

Finding the Fourth Proportional to 8,487.62, 12,727.30 and 2,941.28

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Solution

The fourth proportional to 8,487.62, 12,727.30 and 2,941.28 is: 4,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.62 : 12,727.30 = 2,941.28 : x
  2. Step 2: Convert to fraction form
    8,487.62/12,727.30 = 2,941.28/x
  3. Step 3: Cross multiply
    8,487.62x = 12,727.30 × 2,941.28
  4. Step 4: Simplify right side
    8,487.62x = 37,434,552.94
  5. Step 5: Solve for x
    x = 37,434,552.94/8,487.62
  6. Step 6: Final answer
    x = 4,410.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.