Home / 7,747.71-11,621.57-2,200.34

Finding the Fourth Proportional to 7,747.71, 11,621.57 and 2,200.34

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Solution

The fourth proportional to 7,747.71, 11,621.57 and 2,200.34 is: 3,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.71 : 11,621.57 = 2,200.34 : x
  2. Step 2: Convert to fraction form
    7,747.71/11,621.57 = 2,200.34/x
  3. Step 3: Cross multiply
    7,747.71x = 11,621.57 × 2,200.34
  4. Step 4: Simplify right side
    7,747.71x = 25,571,347.86
  5. Step 5: Solve for x
    x = 25,571,347.86/7,747.71
  6. Step 6: Final answer
    x = 3,300.50

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Double scale
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Similar ratio
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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.