Home / 5,612.36-8,418-1,914.53

Finding the Fourth Proportional to 5,612.36, 8,418 and 1,914.53

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Solution

The fourth proportional to 5,612.36, 8,418 and 1,914.53 is: 2,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.36 : 8,418 = 1,914.53 : x
  2. Step 2: Convert to fraction form
    5,612.36/8,418 = 1,914.53/x
  3. Step 3: Cross multiply
    5,612.36x = 8,418 × 1,914.53
  4. Step 4: Simplify right side
    5,612.36x = 16,116,513.54
  5. Step 5: Solve for x
    x = 16,116,513.54/5,612.36
  6. Step 6: Final answer
    x = 2,871.61

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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.