Home / 8,212.15-11,332.80-4,675.57

Finding the Fourth Proportional to 8,212.15, 11,332.80 and 4,675.57

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Solution

The fourth proportional to 8,212.15, 11,332.80 and 4,675.57 is: 6,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.15 : 11,332.80 = 4,675.57 : x
  2. Step 2: Convert to fraction form
    8,212.15/11,332.80 = 4,675.57/x
  3. Step 3: Cross multiply
    8,212.15x = 11,332.80 × 4,675.57
  4. Step 4: Simplify right side
    8,212.15x = 52,987,299.70
  5. Step 5: Solve for x
    x = 52,987,299.70/8,212.15
  6. Step 6: Final answer
    x = 6,452.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.