Home / 5,679.54-8,515.45-2,903.95

Finding the Fourth Proportional to 5,679.54, 8,515.45 and 2,903.95

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Solution

The fourth proportional to 5,679.54, 8,515.45 and 2,903.95 is: 4,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.54 : 8,515.45 = 2,903.95 : x
  2. Step 2: Convert to fraction form
    5,679.54/8,515.45 = 2,903.95/x
  3. Step 3: Cross multiply
    5,679.54x = 8,515.45 × 2,903.95
  4. Step 4: Simplify right side
    5,679.54x = 24,728,441.03
  5. Step 5: Solve for x
    x = 24,728,441.03/5,679.54
  6. Step 6: Final answer
    x = 4,353.95

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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.