Home / 5,029.72-7,545.30-1,951

Finding the Fourth Proportional to 5,029.72, 7,545.30 and 1,951

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Solution

The fourth proportional to 5,029.72, 7,545.30 and 1,951 is: 2,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.72 : 7,545.30 = 1,951 : x
  2. Step 2: Convert to fraction form
    5,029.72/7,545.30 = 1,951/x
  3. Step 3: Cross multiply
    5,029.72x = 7,545.30 × 1,951
  4. Step 4: Simplify right side
    5,029.72x = 14,720,880.30
  5. Step 5: Solve for x
    x = 14,720,880.30/5,029.72
  6. Step 6: Final answer
    x = 2,926.78

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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.