Home / 7,814.61-11,721.51-2,883.84

Finding the Fourth Proportional to 7,814.61, 11,721.51 and 2,883.84

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Solution

The fourth proportional to 7,814.61, 11,721.51 and 2,883.84 is: 4,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.61 : 11,721.51 = 2,883.84 : x
  2. Step 2: Convert to fraction form
    7,814.61/11,721.51 = 2,883.84/x
  3. Step 3: Cross multiply
    7,814.61x = 11,721.51 × 2,883.84
  4. Step 4: Simplify right side
    7,814.61x = 33,802,959.40
  5. Step 5: Solve for x
    x = 33,802,959.40/7,814.61
  6. Step 6: Final answer
    x = 4,325.61

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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.