Home / 5,869.76-8,100.36-3,512

Finding the Fourth Proportional to 5,869.76, 8,100.36 and 3,512

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Solution

The fourth proportional to 5,869.76, 8,100.36 and 3,512 is: 4,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.76 : 8,100.36 = 3,512 : x
  2. Step 2: Convert to fraction form
    5,869.76/8,100.36 = 3,512/x
  3. Step 3: Cross multiply
    5,869.76x = 8,100.36 × 3,512
  4. Step 4: Simplify right side
    5,869.76x = 28,448,464.32
  5. Step 5: Solve for x
    x = 28,448,464.32/5,869.76
  6. Step 6: Final answer
    x = 4,846.61

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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.