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Finding the Fourth Proportional to 6,261.58, 8,640.38 and 3,743.19

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Solution

The fourth proportional to 6,261.58, 8,640.38 and 3,743.19 is: 5,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.58 : 8,640.38 = 3,743.19 : x
  2. Step 2: Convert to fraction form
    6,261.58/8,640.38 = 3,743.19/x
  3. Step 3: Cross multiply
    6,261.58x = 8,640.38 × 3,743.19
  4. Step 4: Simplify right side
    6,261.58x = 32,342,593.37
  5. Step 5: Solve for x
    x = 32,342,593.37/6,261.58
  6. Step 6: Final answer
    x = 5,165.24

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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.