Home / 8,316.22-12,476.76-3,122.50

Finding the Fourth Proportional to 8,316.22, 12,476.76 and 3,122.50

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Solution

The fourth proportional to 8,316.22, 12,476.76 and 3,122.50 is: 4,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.22 : 12,476.76 = 3,122.50 : x
  2. Step 2: Convert to fraction form
    8,316.22/12,476.76 = 3,122.50/x
  3. Step 3: Cross multiply
    8,316.22x = 12,476.76 × 3,122.50
  4. Step 4: Simplify right side
    8,316.22x = 38,958,683.10
  5. Step 5: Solve for x
    x = 38,958,683.10/8,316.22
  6. Step 6: Final answer
    x = 4,684.66

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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.