Home / 10,311.03-15,464.82-2,913.80

Finding the Fourth Proportional to 10,311.03, 15,464.82 and 2,913.80

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Solution

The fourth proportional to 10,311.03, 15,464.82 and 2,913.80 is: 4,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.03 : 15,464.82 = 2,913.80 : x
  2. Step 2: Convert to fraction form
    10,311.03/15,464.82 = 2,913.80/x
  3. Step 3: Cross multiply
    10,311.03x = 15,464.82 × 2,913.80
  4. Step 4: Simplify right side
    10,311.03x = 45,061,307.91
  5. Step 5: Solve for x
    x = 45,061,307.91/10,311.03
  6. Step 6: Final answer
    x = 4,370.21

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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.