Home / 4,611.20-6,363.54-2,621.60

Finding the Fourth Proportional to 4,611.20, 6,363.54 and 2,621.60

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Solution

The fourth proportional to 4,611.20, 6,363.54 and 2,621.60 is: 3,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.20 : 6,363.54 = 2,621.60 : x
  2. Step 2: Convert to fraction form
    4,611.20/6,363.54 = 2,621.60/x
  3. Step 3: Cross multiply
    4,611.20x = 6,363.54 × 2,621.60
  4. Step 4: Simplify right side
    4,611.20x = 16,682,656.46
  5. Step 5: Solve for x
    x = 16,682,656.46/4,611.20
  6. Step 6: Final answer
    x = 3,617.86

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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.