Home / 5,584.40-8,376.77-1,424.41

Finding the Fourth Proportional to 5,584.40, 8,376.77 and 1,424.41

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Solution

The fourth proportional to 5,584.40, 8,376.77 and 1,424.41 is: 2,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.40 : 8,376.77 = 1,424.41 : x
  2. Step 2: Convert to fraction form
    5,584.40/8,376.77 = 1,424.41/x
  3. Step 3: Cross multiply
    5,584.40x = 8,376.77 × 1,424.41
  4. Step 4: Simplify right side
    5,584.40x = 11,931,954.96
  5. Step 5: Solve for x
    x = 11,931,954.96/5,584.40
  6. Step 6: Final answer
    x = 2,136.66

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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.