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Finding the Fourth Proportional to 5,471.80, 7,549.50 and 3,232.60

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Solution

The fourth proportional to 5,471.80, 7,549.50 and 3,232.60 is: 4,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.80 : 7,549.50 = 3,232.60 : x
  2. Step 2: Convert to fraction form
    5,471.80/7,549.50 = 3,232.60/x
  3. Step 3: Cross multiply
    5,471.80x = 7,549.50 × 3,232.60
  4. Step 4: Simplify right side
    5,471.80x = 24,404,513.70
  5. Step 5: Solve for x
    x = 24,404,513.70/5,471.80
  6. Step 6: Final answer
    x = 4,460.05

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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.