Home / 4,406.72-6,078.96-2,637.80

Finding the Fourth Proportional to 4,406.72, 6,078.96 and 2,637.80

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Solution

The fourth proportional to 4,406.72, 6,078.96 and 2,637.80 is: 3,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.72 : 6,078.96 = 2,637.80 : x
  2. Step 2: Convert to fraction form
    4,406.72/6,078.96 = 2,637.80/x
  3. Step 3: Cross multiply
    4,406.72x = 6,078.96 × 2,637.80
  4. Step 4: Simplify right side
    4,406.72x = 16,035,080.69
  5. Step 5: Solve for x
    x = 16,035,080.69/4,406.72
  6. Step 6: Final answer
    x = 3,638.78

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1.5x scale

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.