Home / 5,518.71-8,277.30-1,820.52

Finding the Fourth Proportional to 5,518.71, 8,277.30 and 1,820.52

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Solution

The fourth proportional to 5,518.71, 8,277.30 and 1,820.52 is: 2,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.71 : 8,277.30 = 1,820.52 : x
  2. Step 2: Convert to fraction form
    5,518.71/8,277.30 = 1,820.52/x
  3. Step 3: Cross multiply
    5,518.71x = 8,277.30 × 1,820.52
  4. Step 4: Simplify right side
    5,518.71x = 15,068,990.20
  5. Step 5: Solve for x
    x = 15,068,990.20/5,518.71
  6. Step 6: Final answer
    x = 2,730.53

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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.