Home / 4,779.66-7,167.54-1,491.72

Finding the Fourth Proportional to 4,779.66, 7,167.54 and 1,491.72

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Solution

The fourth proportional to 4,779.66, 7,167.54 and 1,491.72 is: 2,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.66 : 7,167.54 = 1,491.72 : x
  2. Step 2: Convert to fraction form
    4,779.66/7,167.54 = 1,491.72/x
  3. Step 3: Cross multiply
    4,779.66x = 7,167.54 × 1,491.72
  4. Step 4: Simplify right side
    4,779.66x = 10,691,962.77
  5. Step 5: Solve for x
    x = 10,691,962.77/4,779.66
  6. Step 6: Final answer
    x = 2,236.97

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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.