Home / 4,400.01-6,600.05-1,478.31

Finding the Fourth Proportional to 4,400.01, 6,600.05 and 1,478.31

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Solution

The fourth proportional to 4,400.01, 6,600.05 and 1,478.31 is: 2,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.01 : 6,600.05 = 1,478.31 : x
  2. Step 2: Convert to fraction form
    4,400.01/6,600.05 = 1,478.31/x
  3. Step 3: Cross multiply
    4,400.01x = 6,600.05 × 1,478.31
  4. Step 4: Simplify right side
    4,400.01x = 9,756,912.52
  5. Step 5: Solve for x
    x = 9,756,912.52/4,400.01
  6. Step 6: Final answer
    x = 2,217.48

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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.