Home / 5,528.70-7,630.47-3,961.98

Finding the Fourth Proportional to 5,528.70, 7,630.47 and 3,961.98

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Solution

The fourth proportional to 5,528.70, 7,630.47 and 3,961.98 is: 5,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.70 : 7,630.47 = 3,961.98 : x
  2. Step 2: Convert to fraction form
    5,528.70/7,630.47 = 3,961.98/x
  3. Step 3: Cross multiply
    5,528.70x = 7,630.47 × 3,961.98
  4. Step 4: Simplify right side
    5,528.70x = 30,231,769.53
  5. Step 5: Solve for x
    x = 30,231,769.53/5,528.70
  6. Step 6: Final answer
    x = 5,468.15

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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.