Home / 5,343.35-8,012.50-3,122.82

Finding the Fourth Proportional to 5,343.35, 8,012.50 and 3,122.82

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Solution

The fourth proportional to 5,343.35, 8,012.50 and 3,122.82 is: 4,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.35 : 8,012.50 = 3,122.82 : x
  2. Step 2: Convert to fraction form
    5,343.35/8,012.50 = 3,122.82/x
  3. Step 3: Cross multiply
    5,343.35x = 8,012.50 × 3,122.82
  4. Step 4: Simplify right side
    5,343.35x = 25,021,605.01
  5. Step 5: Solve for x
    x = 25,021,605.01/5,343.35
  6. Step 6: Final answer
    x = 4,682.76

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1.5x scale

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.