Home / 4,477.62-6,715.68-1,190.76

Finding the Fourth Proportional to 4,477.62, 6,715.68 and 1,190.76

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Solution

The fourth proportional to 4,477.62, 6,715.68 and 1,190.76 is: 1,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.62 : 6,715.68 = 1,190.76 : x
  2. Step 2: Convert to fraction form
    4,477.62/6,715.68 = 1,190.76/x
  3. Step 3: Cross multiply
    4,477.62x = 6,715.68 × 1,190.76
  4. Step 4: Simplify right side
    4,477.62x = 7,996,763.12
  5. Step 5: Solve for x
    x = 7,996,763.12/4,477.62
  6. Step 6: Final answer
    x = 1,785.94

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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.