Home / 5,480.30-8,219.46-1,583.84

Finding the Fourth Proportional to 5,480.30, 8,219.46 and 1,583.84

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Solution

The fourth proportional to 5,480.30, 8,219.46 and 1,583.84 is: 2,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.30 : 8,219.46 = 1,583.84 : x
  2. Step 2: Convert to fraction form
    5,480.30/8,219.46 = 1,583.84/x
  3. Step 3: Cross multiply
    5,480.30x = 8,219.46 × 1,583.84
  4. Step 4: Simplify right side
    5,480.30x = 13,018,309.53
  5. Step 5: Solve for x
    x = 13,018,309.53/5,480.30
  6. Step 6: Final answer
    x = 2,375.47

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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.