Home / 4,638.86-6,399.75-2,649.02

Finding the Fourth Proportional to 4,638.86, 6,399.75 and 2,649.02

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Solution

The fourth proportional to 4,638.86, 6,399.75 and 2,649.02 is: 3,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.86 : 6,399.75 = 2,649.02 : x
  2. Step 2: Convert to fraction form
    4,638.86/6,399.75 = 2,649.02/x
  3. Step 3: Cross multiply
    4,638.86x = 6,399.75 × 2,649.02
  4. Step 4: Simplify right side
    4,638.86x = 16,953,065.75
  5. Step 5: Solve for x
    x = 16,953,065.75/4,638.86
  6. Step 6: Final answer
    x = 3,654.58

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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.