Home / 4,919.45-7,377.21-1,798.74

Finding the Fourth Proportional to 4,919.45, 7,377.21 and 1,798.74

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Solution

The fourth proportional to 4,919.45, 7,377.21 and 1,798.74 is: 2,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.45 : 7,377.21 = 1,798.74 : x
  2. Step 2: Convert to fraction form
    4,919.45/7,377.21 = 1,798.74/x
  3. Step 3: Cross multiply
    4,919.45x = 7,377.21 × 1,798.74
  4. Step 4: Simplify right side
    4,919.45x = 13,269,682.72
  5. Step 5: Solve for x
    x = 13,269,682.72/4,919.45
  6. Step 6: Final answer
    x = 2,697.39

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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.