Home / 6,261.39-8,642.43-3,743.64

Finding the Fourth Proportional to 6,261.39, 8,642.43 and 3,743.64

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Solution

The fourth proportional to 6,261.39, 8,642.43 and 3,743.64 is: 5,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.39 : 8,642.43 = 3,743.64 : x
  2. Step 2: Convert to fraction form
    6,261.39/8,642.43 = 3,743.64/x
  3. Step 3: Cross multiply
    6,261.39x = 8,642.43 × 3,743.64
  4. Step 4: Simplify right side
    6,261.39x = 32,354,146.65
  5. Step 5: Solve for x
    x = 32,354,146.65/6,261.39
  6. Step 6: Final answer
    x = 5,167.25

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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.