Home / 4,772.44-7,158.79-1,309.69

Finding the Fourth Proportional to 4,772.44, 7,158.79 and 1,309.69

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Solution

The fourth proportional to 4,772.44, 7,158.79 and 1,309.69 is: 1,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.44 : 7,158.79 = 1,309.69 : x
  2. Step 2: Convert to fraction form
    4,772.44/7,158.79 = 1,309.69/x
  3. Step 3: Cross multiply
    4,772.44x = 7,158.79 × 1,309.69
  4. Step 4: Simplify right side
    4,772.44x = 9,375,779.42
  5. Step 5: Solve for x
    x = 9,375,779.42/4,772.44
  6. Step 6: Final answer
    x = 1,964.57

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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.