Home / 5,424.51-8,136.03-1,529.22

Finding the Fourth Proportional to 5,424.51, 8,136.03 and 1,529.22

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Solution

The fourth proportional to 5,424.51, 8,136.03 and 1,529.22 is: 2,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.51 : 8,136.03 = 1,529.22 : x
  2. Step 2: Convert to fraction form
    5,424.51/8,136.03 = 1,529.22/x
  3. Step 3: Cross multiply
    5,424.51x = 8,136.03 × 1,529.22
  4. Step 4: Simplify right side
    5,424.51x = 12,441,779.80
  5. Step 5: Solve for x
    x = 12,441,779.80/5,424.51
  6. Step 6: Final answer
    x = 2,293.62

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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.