Home / 5,624.44-7,761.74-3,106.61

Finding the Fourth Proportional to 5,624.44, 7,761.74 and 3,106.61

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Solution

The fourth proportional to 5,624.44, 7,761.74 and 3,106.61 is: 4,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.44 : 7,761.74 = 3,106.61 : x
  2. Step 2: Convert to fraction form
    5,624.44/7,761.74 = 3,106.61/x
  3. Step 3: Cross multiply
    5,624.44x = 7,761.74 × 3,106.61
  4. Step 4: Simplify right side
    5,624.44x = 24,112,699.10
  5. Step 5: Solve for x
    x = 24,112,699.10/5,624.44
  6. Step 6: Final answer
    x = 4,287.13

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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.