Home / 8,247.09-12,370.65-3,630.09

Finding the Fourth Proportional to 8,247.09, 12,370.65 and 3,630.09

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Solution

The fourth proportional to 8,247.09, 12,370.65 and 3,630.09 is: 5,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.09 : 12,370.65 = 3,630.09 : x
  2. Step 2: Convert to fraction form
    8,247.09/12,370.65 = 3,630.09/x
  3. Step 3: Cross multiply
    8,247.09x = 12,370.65 × 3,630.09
  4. Step 4: Simplify right side
    8,247.09x = 44,906,605.64
  5. Step 5: Solve for x
    x = 44,906,605.64/8,247.09
  6. Step 6: Final answer
    x = 5,445.14

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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.