Home / 5,424.23-8,136.41-2,303.84

Finding the Fourth Proportional to 5,424.23, 8,136.41 and 2,303.84

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Solution

The fourth proportional to 5,424.23, 8,136.41 and 2,303.84 is: 3,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.23 : 8,136.41 = 2,303.84 : x
  2. Step 2: Convert to fraction form
    5,424.23/8,136.41 = 2,303.84/x
  3. Step 3: Cross multiply
    5,424.23x = 8,136.41 × 2,303.84
  4. Step 4: Simplify right side
    5,424.23x = 18,744,934.61
  5. Step 5: Solve for x
    x = 18,744,934.61/5,424.23
  6. Step 6: Final answer
    x = 3,455.78

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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.