Home / 4,127.72-6,188.55-2,648.61

Finding the Fourth Proportional to 4,127.72, 6,188.55 and 2,648.61

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Solution

The fourth proportional to 4,127.72, 6,188.55 and 2,648.61 is: 3,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.72 : 6,188.55 = 2,648.61 : x
  2. Step 2: Convert to fraction form
    4,127.72/6,188.55 = 2,648.61/x
  3. Step 3: Cross multiply
    4,127.72x = 6,188.55 × 2,648.61
  4. Step 4: Simplify right side
    4,127.72x = 16,391,055.42
  5. Step 5: Solve for x
    x = 16,391,055.42/4,127.72
  6. Step 6: Final answer
    x = 3,970.98

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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.