Home / 4,261.68-6,387.86-3,643.58

Finding the Fourth Proportional to 4,261.68, 6,387.86 and 3,643.58

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Solution

The fourth proportional to 4,261.68, 6,387.86 and 3,643.58 is: 5,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.68 : 6,387.86 = 3,643.58 : x
  2. Step 2: Convert to fraction form
    4,261.68/6,387.86 = 3,643.58/x
  3. Step 3: Cross multiply
    4,261.68x = 6,387.86 × 3,643.58
  4. Step 4: Simplify right side
    4,261.68x = 23,274,704.02
  5. Step 5: Solve for x
    x = 23,274,704.02/4,261.68
  6. Step 6: Final answer
    x = 5,461.39

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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.