Home / 5,521.69-8,285.19-2,748.60

Finding the Fourth Proportional to 5,521.69, 8,285.19 and 2,748.60

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Solution

The fourth proportional to 5,521.69, 8,285.19 and 2,748.60 is: 4,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.69 : 8,285.19 = 2,748.60 : x
  2. Step 2: Convert to fraction form
    5,521.69/8,285.19 = 2,748.60/x
  3. Step 3: Cross multiply
    5,521.69x = 8,285.19 × 2,748.60
  4. Step 4: Simplify right side
    5,521.69x = 22,772,688.77
  5. Step 5: Solve for x
    x = 22,772,688.77/5,521.69
  6. Step 6: Final answer
    x = 4,124.23

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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.