Home / 6,286.71-9,430.08-2,125.61

Finding the Fourth Proportional to 6,286.71, 9,430.08 and 2,125.61

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Solution

The fourth proportional to 6,286.71, 9,430.08 and 2,125.61 is: 3,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.71 : 9,430.08 = 2,125.61 : x
  2. Step 2: Convert to fraction form
    6,286.71/9,430.08 = 2,125.61/x
  3. Step 3: Cross multiply
    6,286.71x = 9,430.08 × 2,125.61
  4. Step 4: Simplify right side
    6,286.71x = 20,044,672.35
  5. Step 5: Solve for x
    x = 20,044,672.35/6,286.71
  6. Step 6: Final answer
    x = 3,188.42

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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.