Home / 4,186.88-6,278.40-2,455.04

Finding the Fourth Proportional to 4,186.88, 6,278.40 and 2,455.04

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Solution

The fourth proportional to 4,186.88, 6,278.40 and 2,455.04 is: 3,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.88 : 6,278.40 = 2,455.04 : x
  2. Step 2: Convert to fraction form
    4,186.88/6,278.40 = 2,455.04/x
  3. Step 3: Cross multiply
    4,186.88x = 6,278.40 × 2,455.04
  4. Step 4: Simplify right side
    4,186.88x = 15,413,723.14
  5. Step 5: Solve for x
    x = 15,413,723.14/4,186.88
  6. Step 6: Final answer
    x = 3,681.43

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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.