Home / 4,519.16-6,778.40-1,399.19

Finding the Fourth Proportional to 4,519.16, 6,778.40 and 1,399.19

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Solution

The fourth proportional to 4,519.16, 6,778.40 and 1,399.19 is: 2,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.16 : 6,778.40 = 1,399.19 : x
  2. Step 2: Convert to fraction form
    4,519.16/6,778.40 = 1,399.19/x
  3. Step 3: Cross multiply
    4,519.16x = 6,778.40 × 1,399.19
  4. Step 4: Simplify right side
    4,519.16x = 9,484,268.70
  5. Step 5: Solve for x
    x = 9,484,268.70/4,519.16
  6. Step 6: Final answer
    x = 2,098.68

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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.