Home / 5,424.40-8,134.20-2,503.60

Finding the Fourth Proportional to 5,424.40, 8,134.20 and 2,503.60

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Solution

The fourth proportional to 5,424.40, 8,134.20 and 2,503.60 is: 3,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.40 : 8,134.20 = 2,503.60 : x
  2. Step 2: Convert to fraction form
    5,424.40/8,134.20 = 2,503.60/x
  3. Step 3: Cross multiply
    5,424.40x = 8,134.20 × 2,503.60
  4. Step 4: Simplify right side
    5,424.40x = 20,364,783.12
  5. Step 5: Solve for x
    x = 20,364,783.12/5,424.40
  6. Step 6: Final answer
    x = 3,754.29

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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.