Home / 5,855.21-8,772.18-3,384.81

Finding the Fourth Proportional to 5,855.21, 8,772.18 and 3,384.81

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Solution

The fourth proportional to 5,855.21, 8,772.18 and 3,384.81 is: 5,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.21 : 8,772.18 = 3,384.81 : x
  2. Step 2: Convert to fraction form
    5,855.21/8,772.18 = 3,384.81/x
  3. Step 3: Cross multiply
    5,855.21x = 8,772.18 × 3,384.81
  4. Step 4: Simplify right side
    5,855.21x = 29,692,162.59
  5. Step 5: Solve for x
    x = 29,692,162.59/5,855.21
  6. Step 6: Final answer
    x = 5,071.07

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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.