Home / 6,637.25-9,159.39-3,984.66

Finding the Fourth Proportional to 6,637.25, 9,159.39 and 3,984.66

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Solution

The fourth proportional to 6,637.25, 9,159.39 and 3,984.66 is: 5,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.25 : 9,159.39 = 3,984.66 : x
  2. Step 2: Convert to fraction form
    6,637.25/9,159.39 = 3,984.66/x
  3. Step 3: Cross multiply
    6,637.25x = 9,159.39 × 3,984.66
  4. Step 4: Simplify right side
    6,637.25x = 36,497,054.96
  5. Step 5: Solve for x
    x = 36,497,054.96/6,637.25
  6. Step 6: Final answer
    x = 5,498.82

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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.