Home / 8,217.27-12,317.40-4,518.23

Finding the Fourth Proportional to 8,217.27, 12,317.40 and 4,518.23

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Solution

The fourth proportional to 8,217.27, 12,317.40 and 4,518.23 is: 6,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.27 : 12,317.40 = 4,518.23 : x
  2. Step 2: Convert to fraction form
    8,217.27/12,317.40 = 4,518.23/x
  3. Step 3: Cross multiply
    8,217.27x = 12,317.40 × 4,518.23
  4. Step 4: Simplify right side
    8,217.27x = 55,652,784.62
  5. Step 5: Solve for x
    x = 55,652,784.62/8,217.27
  6. Step 6: Final answer
    x = 6,772.66

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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.