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Finding the Fourth Proportional to 5,909.09, 8,154.54 and 3,256.47

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Solution

The fourth proportional to 5,909.09, 8,154.54 and 3,256.47 is: 4,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.09 : 8,154.54 = 3,256.47 : x
  2. Step 2: Convert to fraction form
    5,909.09/8,154.54 = 3,256.47/x
  3. Step 3: Cross multiply
    5,909.09x = 8,154.54 × 3,256.47
  4. Step 4: Simplify right side
    5,909.09x = 26,555,014.87
  5. Step 5: Solve for x
    x = 26,555,014.87/5,909.09
  6. Step 6: Final answer
    x = 4,493.93

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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.