Home / 4,390.20-6,578.66-1,923.64

Finding the Fourth Proportional to 4,390.20, 6,578.66 and 1,923.64

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Solution

The fourth proportional to 4,390.20, 6,578.66 and 1,923.64 is: 2,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.20 : 6,578.66 = 1,923.64 : x
  2. Step 2: Convert to fraction form
    4,390.20/6,578.66 = 1,923.64/x
  3. Step 3: Cross multiply
    4,390.20x = 6,578.66 × 1,923.64
  4. Step 4: Simplify right side
    4,390.20x = 12,654,973.52
  5. Step 5: Solve for x
    x = 12,654,973.52/4,390.20
  6. Step 6: Final answer
    x = 2,882.55

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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.