Home / 4,275.02-6,418.49-2,196.78

Finding the Fourth Proportional to 4,275.02, 6,418.49 and 2,196.78

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Solution

The fourth proportional to 4,275.02, 6,418.49 and 2,196.78 is: 3,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.02 : 6,418.49 = 2,196.78 : x
  2. Step 2: Convert to fraction form
    4,275.02/6,418.49 = 2,196.78/x
  3. Step 3: Cross multiply
    4,275.02x = 6,418.49 × 2,196.78
  4. Step 4: Simplify right side
    4,275.02x = 14,099,999.48
  5. Step 5: Solve for x
    x = 14,099,999.48/4,275.02
  6. Step 6: Final answer
    x = 3,298.23

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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.