Home / 6,637.86-9,961.38-2,742.30

Finding the Fourth Proportional to 6,637.86, 9,961.38 and 2,742.30

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Solution

The fourth proportional to 6,637.86, 9,961.38 and 2,742.30 is: 4,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.86 : 9,961.38 = 2,742.30 : x
  2. Step 2: Convert to fraction form
    6,637.86/9,961.38 = 2,742.30/x
  3. Step 3: Cross multiply
    6,637.86x = 9,961.38 × 2,742.30
  4. Step 4: Simplify right side
    6,637.86x = 27,317,092.37
  5. Step 5: Solve for x
    x = 27,317,092.37/6,637.86
  6. Step 6: Final answer
    x = 4,115.35

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1.5x scale

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.