Home / 8,544.95-12,819.28-2,621.86

Finding the Fourth Proportional to 8,544.95, 12,819.28 and 2,621.86

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Solution

The fourth proportional to 8,544.95, 12,819.28 and 2,621.86 is: 3,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.95 : 12,819.28 = 2,621.86 : x
  2. Step 2: Convert to fraction form
    8,544.95/12,819.28 = 2,621.86/x
  3. Step 3: Cross multiply
    8,544.95x = 12,819.28 × 2,621.86
  4. Step 4: Simplify right side
    8,544.95x = 33,610,293.36
  5. Step 5: Solve for x
    x = 33,610,293.36/8,544.95
  6. Step 6: Final answer
    x = 3,933.35

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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.