Home / 4,399.78-6,598.14-1,278.94

Finding the Fourth Proportional to 4,399.78, 6,598.14 and 1,278.94

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Solution

The fourth proportional to 4,399.78, 6,598.14 and 1,278.94 is: 1,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.78 : 6,598.14 = 1,278.94 : x
  2. Step 2: Convert to fraction form
    4,399.78/6,598.14 = 1,278.94/x
  3. Step 3: Cross multiply
    4,399.78x = 6,598.14 × 1,278.94
  4. Step 4: Simplify right side
    4,399.78x = 8,438,625.17
  5. Step 5: Solve for x
    x = 8,438,625.17/4,399.78
  6. Step 6: Final answer
    x = 1,917.97

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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.