Home / 8,341.34-12,512.37-3,147.62

Finding the Fourth Proportional to 8,341.34, 12,512.37 and 3,147.62

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Solution

The fourth proportional to 8,341.34, 12,512.37 and 3,147.62 is: 4,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.34 : 12,512.37 = 3,147.62 : x
  2. Step 2: Convert to fraction form
    8,341.34/12,512.37 = 3,147.62/x
  3. Step 3: Cross multiply
    8,341.34x = 12,512.37 × 3,147.62
  4. Step 4: Simplify right side
    8,341.34x = 39,384,186.06
  5. Step 5: Solve for x
    x = 39,384,186.06/8,341.34
  6. Step 6: Final answer
    x = 4,721.57

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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.