Home / 4,315.26-6,474.11-1,393.80

Finding the Fourth Proportional to 4,315.26, 6,474.11 and 1,393.80

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Solution

The fourth proportional to 4,315.26, 6,474.11 and 1,393.80 is: 2,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.26 : 6,474.11 = 1,393.80 : x
  2. Step 2: Convert to fraction form
    4,315.26/6,474.11 = 1,393.80/x
  3. Step 3: Cross multiply
    4,315.26x = 6,474.11 × 1,393.80
  4. Step 4: Simplify right side
    4,315.26x = 9,023,607.55
  5. Step 5: Solve for x
    x = 9,023,607.55/4,315.26
  6. Step 6: Final answer
    x = 2,091.09

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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.