Home / 5,518.44-8,276.40-1,621.92

Finding the Fourth Proportional to 5,518.44, 8,276.40 and 1,621.92

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Solution

The fourth proportional to 5,518.44, 8,276.40 and 1,621.92 is: 2,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.44 : 8,276.40 = 1,621.92 : x
  2. Step 2: Convert to fraction form
    5,518.44/8,276.40 = 1,621.92/x
  3. Step 3: Cross multiply
    5,518.44x = 8,276.40 × 1,621.92
  4. Step 4: Simplify right side
    5,518.44x = 13,423,658.69
  5. Step 5: Solve for x
    x = 13,423,658.69/5,518.44
  6. Step 6: Final answer
    x = 2,432.51

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1.5x scale

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.