Home / 7,747.98-10,691.77-4,211.17

Finding the Fourth Proportional to 7,747.98, 10,691.77 and 4,211.17

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Solution

The fourth proportional to 7,747.98, 10,691.77 and 4,211.17 is: 5,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.98 : 10,691.77 = 4,211.17 : x
  2. Step 2: Convert to fraction form
    7,747.98/10,691.77 = 4,211.17/x
  3. Step 3: Cross multiply
    7,747.98x = 10,691.77 × 4,211.17
  4. Step 4: Simplify right side
    7,747.98x = 45,024,861.07
  5. Step 5: Solve for x
    x = 45,024,861.07/7,747.98
  6. Step 6: Final answer
    x = 5,811.17

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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.