Home / 5,427.60-8,141.40-3,204.15

Finding the Fourth Proportional to 5,427.60, 8,141.40 and 3,204.15

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Solution

The fourth proportional to 5,427.60, 8,141.40 and 3,204.15 is: 4,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.60 : 8,141.40 = 3,204.15 : x
  2. Step 2: Convert to fraction form
    5,427.60/8,141.40 = 3,204.15/x
  3. Step 3: Cross multiply
    5,427.60x = 8,141.40 × 3,204.15
  4. Step 4: Simplify right side
    5,427.60x = 26,086,266.81
  5. Step 5: Solve for x
    x = 26,086,266.81/5,427.60
  6. Step 6: Final answer
    x = 4,806.23

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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.