Home / 5,045.28-7,567.84-2,125.60

Finding the Fourth Proportional to 5,045.28, 7,567.84 and 2,125.60

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Solution

The fourth proportional to 5,045.28, 7,567.84 and 2,125.60 is: 3,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.28 : 7,567.84 = 2,125.60 : x
  2. Step 2: Convert to fraction form
    5,045.28/7,567.84 = 2,125.60/x
  3. Step 3: Cross multiply
    5,045.28x = 7,567.84 × 2,125.60
  4. Step 4: Simplify right side
    5,045.28x = 16,086,200.70
  5. Step 5: Solve for x
    x = 16,086,200.70/5,045.28
  6. Step 6: Final answer
    x = 3,188.37

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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.