Home / 6,211.84-8,572.50-3,379.39

Finding the Fourth Proportional to 6,211.84, 8,572.50 and 3,379.39

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Solution

The fourth proportional to 6,211.84, 8,572.50 and 3,379.39 is: 4,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.84 : 8,572.50 = 3,379.39 : x
  2. Step 2: Convert to fraction form
    6,211.84/8,572.50 = 3,379.39/x
  3. Step 3: Cross multiply
    6,211.84x = 8,572.50 × 3,379.39
  4. Step 4: Simplify right side
    6,211.84x = 28,969,820.78
  5. Step 5: Solve for x
    x = 28,969,820.78/6,211.84
  6. Step 6: Final answer
    x = 4,663.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.