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Finding the Fourth Proportional to 9,377.66, 12,939.99 and 5,793.41

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Solution

The fourth proportional to 9,377.66, 12,939.99 and 5,793.41 is: 7,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.66 : 12,939.99 = 5,793.41 : x
  2. Step 2: Convert to fraction form
    9,377.66/12,939.99 = 5,793.41/x
  3. Step 3: Cross multiply
    9,377.66x = 12,939.99 × 5,793.41
  4. Step 4: Simplify right side
    9,377.66x = 74,966,602.77
  5. Step 5: Solve for x
    x = 74,966,602.77/9,377.66
  6. Step 6: Final answer
    x = 7,994.17

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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.