Home / 4,400.32-6,601.47-1,478.55

Finding the Fourth Proportional to 4,400.32, 6,601.47 and 1,478.55

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Solution

The fourth proportional to 4,400.32, 6,601.47 and 1,478.55 is: 2,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.32 : 6,601.47 = 1,478.55 : x
  2. Step 2: Convert to fraction form
    4,400.32/6,601.47 = 1,478.55/x
  3. Step 3: Cross multiply
    4,400.32x = 6,601.47 × 1,478.55
  4. Step 4: Simplify right side
    4,400.32x = 9,760,563.07
  5. Step 5: Solve for x
    x = 9,760,563.07/4,400.32
  6. Step 6: Final answer
    x = 2,218.15

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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.