Home / 4,563.12-6,840.48-2,221.80

Finding the Fourth Proportional to 4,563.12, 6,840.48 and 2,221.80

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Solution

The fourth proportional to 4,563.12, 6,840.48 and 2,221.80 is: 3,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,563.12 : 6,840.48 = 2,221.80 : x
  2. Step 2: Convert to fraction form
    4,563.12/6,840.48 = 2,221.80/x
  3. Step 3: Cross multiply
    4,563.12x = 6,840.48 × 2,221.80
  4. Step 4: Simplify right side
    4,563.12x = 15,198,178.46
  5. Step 5: Solve for x
    x = 15,198,178.46/4,563.12
  6. Step 6: Final answer
    x = 3,330.66

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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.