Home / 4,477.38-6,716.38-1,190.40

Finding the Fourth Proportional to 4,477.38, 6,716.38 and 1,190.40

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Solution

The fourth proportional to 4,477.38, 6,716.38 and 1,190.40 is: 1,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.38 : 6,716.38 = 1,190.40 : x
  2. Step 2: Convert to fraction form
    4,477.38/6,716.38 = 1,190.40/x
  3. Step 3: Cross multiply
    4,477.38x = 6,716.38 × 1,190.40
  4. Step 4: Simplify right side
    4,477.38x = 7,995,178.75
  5. Step 5: Solve for x
    x = 7,995,178.75/4,477.38
  6. Step 6: Final answer
    x = 1,785.68

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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.