Home / 4,214.02-6,321.77-1,440.04

Finding the Fourth Proportional to 4,214.02, 6,321.77 and 1,440.04

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Solution

The fourth proportional to 4,214.02, 6,321.77 and 1,440.04 is: 2,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.02 : 6,321.77 = 1,440.04 : x
  2. Step 2: Convert to fraction form
    4,214.02/6,321.77 = 1,440.04/x
  3. Step 3: Cross multiply
    4,214.02x = 6,321.77 × 1,440.04
  4. Step 4: Simplify right side
    4,214.02x = 9,103,562.86
  5. Step 5: Solve for x
    x = 9,103,562.86/4,214.02
  6. Step 6: Final answer
    x = 2,160.31

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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.