Home / 4,400.55-6,600.80-1,322.55

Finding the Fourth Proportional to 4,400.55, 6,600.80 and 1,322.55

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Solution

The fourth proportional to 4,400.55, 6,600.80 and 1,322.55 is: 1,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.55 : 6,600.80 = 1,322.55 : x
  2. Step 2: Convert to fraction form
    4,400.55/6,600.80 = 1,322.55/x
  3. Step 3: Cross multiply
    4,400.55x = 6,600.80 × 1,322.55
  4. Step 4: Simplify right side
    4,400.55x = 8,729,881.43
  5. Step 5: Solve for x
    x = 8,729,881.43/4,400.55
  6. Step 6: Final answer
    x = 1,983.82

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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.