Home / 8,976.63-12,388.27-4,997.73

Finding the Fourth Proportional to 8,976.63, 12,388.27 and 4,997.73

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Solution

The fourth proportional to 8,976.63, 12,388.27 and 4,997.73 is: 6,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.63 : 12,388.27 = 4,997.73 : x
  2. Step 2: Convert to fraction form
    8,976.63/12,388.27 = 4,997.73/x
  3. Step 3: Cross multiply
    8,976.63x = 12,388.27 × 4,997.73
  4. Step 4: Simplify right side
    8,976.63x = 61,913,228.63
  5. Step 5: Solve for x
    x = 61,913,228.63/8,976.63
  6. Step 6: Final answer
    x = 6,897.16

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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.