Home / 4,977.59-7,466.66-1,279.85

Finding the Fourth Proportional to 4,977.59, 7,466.66 and 1,279.85

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Solution

The fourth proportional to 4,977.59, 7,466.66 and 1,279.85 is: 1,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.59 : 7,466.66 = 1,279.85 : x
  2. Step 2: Convert to fraction form
    4,977.59/7,466.66 = 1,279.85/x
  3. Step 3: Cross multiply
    4,977.59x = 7,466.66 × 1,279.85
  4. Step 4: Simplify right side
    4,977.59x = 9,556,235.77
  5. Step 5: Solve for x
    x = 9,556,235.77/4,977.59
  6. Step 6: Final answer
    x = 1,919.85

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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.