Home / 5,324.64-7,988.40-2,037.60

Finding the Fourth Proportional to 5,324.64, 7,988.40 and 2,037.60

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Solution

The fourth proportional to 5,324.64, 7,988.40 and 2,037.60 is: 3,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.64 : 7,988.40 = 2,037.60 : x
  2. Step 2: Convert to fraction form
    5,324.64/7,988.40 = 2,037.60/x
  3. Step 3: Cross multiply
    5,324.64x = 7,988.40 × 2,037.60
  4. Step 4: Simplify right side
    5,324.64x = 16,277,163.84
  5. Step 5: Solve for x
    x = 16,277,163.84/5,324.64
  6. Step 6: Final answer
    x = 3,056.95

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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.