Home / 8,445.26-12,668.54-2,898.56

Finding the Fourth Proportional to 8,445.26, 12,668.54 and 2,898.56

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Solution

The fourth proportional to 8,445.26, 12,668.54 and 2,898.56 is: 4,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.26 : 12,668.54 = 2,898.56 : x
  2. Step 2: Convert to fraction form
    8,445.26/12,668.54 = 2,898.56/x
  3. Step 3: Cross multiply
    8,445.26x = 12,668.54 × 2,898.56
  4. Step 4: Simplify right side
    8,445.26x = 36,720,540.48
  5. Step 5: Solve for x
    x = 36,720,540.48/8,445.26
  6. Step 6: Final answer
    x = 4,348.06

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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.