Home / 8,214.33-12,317.76-3,534.15

Finding the Fourth Proportional to 8,214.33, 12,317.76 and 3,534.15

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Solution

The fourth proportional to 8,214.33, 12,317.76 and 3,534.15 is: 5,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.33 : 12,317.76 = 3,534.15 : x
  2. Step 2: Convert to fraction form
    8,214.33/12,317.76 = 3,534.15/x
  3. Step 3: Cross multiply
    8,214.33x = 12,317.76 × 3,534.15
  4. Step 4: Simplify right side
    8,214.33x = 43,532,811.50
  5. Step 5: Solve for x
    x = 43,532,811.50/8,214.33
  6. Step 6: Final answer
    x = 5,299.62

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1.5x scale

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.