Home / 8,307.27-12,461.09-3,110.31

Finding the Fourth Proportional to 8,307.27, 12,461.09 and 3,110.31

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Solution

The fourth proportional to 8,307.27, 12,461.09 and 3,110.31 is: 4,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.27 : 12,461.09 = 3,110.31 : x
  2. Step 2: Convert to fraction form
    8,307.27/12,461.09 = 3,110.31/x
  3. Step 3: Cross multiply
    8,307.27x = 12,461.09 × 3,110.31
  4. Step 4: Simplify right side
    8,307.27x = 38,757,837.29
  5. Step 5: Solve for x
    x = 38,757,837.29/8,307.27
  6. Step 6: Final answer
    x = 4,665.53

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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.