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Finding the Fourth Proportional to 8,330.94, 12,495.15 and 2,488.05

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Solution

The fourth proportional to 8,330.94, 12,495.15 and 2,488.05 is: 3,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.94 : 12,495.15 = 2,488.05 : x
  2. Step 2: Convert to fraction form
    8,330.94/12,495.15 = 2,488.05/x
  3. Step 3: Cross multiply
    8,330.94x = 12,495.15 × 2,488.05
  4. Step 4: Simplify right side
    8,330.94x = 31,088,557.96
  5. Step 5: Solve for x
    x = 31,088,557.96/8,330.94
  6. Step 6: Final answer
    x = 3,731.70

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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.