Home / 4,400.14-6,601.56-1,478.20

Finding the Fourth Proportional to 4,400.14, 6,601.56 and 1,478.20

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Solution

The fourth proportional to 4,400.14, 6,601.56 and 1,478.20 is: 2,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.14 : 6,601.56 = 1,478.20 : x
  2. Step 2: Convert to fraction form
    4,400.14/6,601.56 = 1,478.20/x
  3. Step 3: Cross multiply
    4,400.14x = 6,601.56 × 1,478.20
  4. Step 4: Simplify right side
    4,400.14x = 9,758,425.99
  5. Step 5: Solve for x
    x = 9,758,425.99/4,400.14
  6. Step 6: Final answer
    x = 2,217.75

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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.