Home / 7,582.66-11,369.82-3,139.10

Finding the Fourth Proportional to 7,582.66, 11,369.82 and 3,139.10

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Solution

The fourth proportional to 7,582.66, 11,369.82 and 3,139.10 is: 4,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.66 : 11,369.82 = 3,139.10 : x
  2. Step 2: Convert to fraction form
    7,582.66/11,369.82 = 3,139.10/x
  3. Step 3: Cross multiply
    7,582.66x = 11,369.82 × 3,139.10
  4. Step 4: Simplify right side
    7,582.66x = 35,691,045.82
  5. Step 5: Solve for x
    x = 35,691,045.82/7,582.66
  6. Step 6: Final answer
    x = 4,706.93

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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.