Home / 4,519.59-6,777.55-1,398.86

Finding the Fourth Proportional to 4,519.59, 6,777.55 and 1,398.86

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Solution

The fourth proportional to 4,519.59, 6,777.55 and 1,398.86 is: 2,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.59 : 6,777.55 = 1,398.86 : x
  2. Step 2: Convert to fraction form
    4,519.59/6,777.55 = 1,398.86/x
  3. Step 3: Cross multiply
    4,519.59x = 6,777.55 × 1,398.86
  4. Step 4: Simplify right side
    4,519.59x = 9,480,843.59
  5. Step 5: Solve for x
    x = 9,480,843.59/4,519.59
  6. Step 6: Final answer
    x = 2,097.72

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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.