Home / 5,612.20-8,418.30-5,093.80

Finding the Fourth Proportional to 5,612.20, 8,418.30 and 5,093.80

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Solution

The fourth proportional to 5,612.20, 8,418.30 and 5,093.80 is: 7,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.20 : 8,418.30 = 5,093.80 : x
  2. Step 2: Convert to fraction form
    5,612.20/8,418.30 = 5,093.80/x
  3. Step 3: Cross multiply
    5,612.20x = 8,418.30 × 5,093.80
  4. Step 4: Simplify right side
    5,612.20x = 42,881,136.54
  5. Step 5: Solve for x
    x = 42,881,136.54/5,612.20
  6. Step 6: Final answer
    x = 7,640.70

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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.