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Finding the Fourth Proportional to 7,606.98, 11,411.28 and 4,650.48

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Solution

The fourth proportional to 7,606.98, 11,411.28 and 4,650.48 is: 6,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.98 : 11,411.28 = 4,650.48 : x
  2. Step 2: Convert to fraction form
    7,606.98/11,411.28 = 4,650.48/x
  3. Step 3: Cross multiply
    7,606.98x = 11,411.28 × 4,650.48
  4. Step 4: Simplify right side
    7,606.98x = 53,067,929.41
  5. Step 5: Solve for x
    x = 53,067,929.41/7,606.98
  6. Step 6: Final answer
    x = 6,976.22

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1.5x scale

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.