Home / 4,188.76-6,281.67-1,226.39

Finding the Fourth Proportional to 4,188.76, 6,281.67 and 1,226.39

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Solution

The fourth proportional to 4,188.76, 6,281.67 and 1,226.39 is: 1,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.76 : 6,281.67 = 1,226.39 : x
  2. Step 2: Convert to fraction form
    4,188.76/6,281.67 = 1,226.39/x
  3. Step 3: Cross multiply
    4,188.76x = 6,281.67 × 1,226.39
  4. Step 4: Simplify right side
    4,188.76x = 7,703,777.27
  5. Step 5: Solve for x
    x = 7,703,777.27/4,188.76
  6. Step 6: Final answer
    x = 1,839.15

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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.