Home / 6,244.20-8,621.22-5,578.92

Finding the Fourth Proportional to 6,244.20, 8,621.22 and 5,578.92

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Solution

The fourth proportional to 6,244.20, 8,621.22 and 5,578.92 is: 7,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.20 : 8,621.22 = 5,578.92 : x
  2. Step 2: Convert to fraction form
    6,244.20/8,621.22 = 5,578.92/x
  3. Step 3: Cross multiply
    6,244.20x = 8,621.22 × 5,578.92
  4. Step 4: Simplify right side
    6,244.20x = 48,097,096.68
  5. Step 5: Solve for x
    x = 48,097,096.68/6,244.20
  6. Step 6: Final answer
    x = 7,702.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.