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Finding the Fourth Proportional to 6,154.89, 8,493.71 and 3,360.39

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Solution

The fourth proportional to 6,154.89, 8,493.71 and 3,360.39 is: 4,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.89 : 8,493.71 = 3,360.39 : x
  2. Step 2: Convert to fraction form
    6,154.89/8,493.71 = 3,360.39/x
  3. Step 3: Cross multiply
    6,154.89x = 8,493.71 × 3,360.39
  4. Step 4: Simplify right side
    6,154.89x = 28,542,161.34
  5. Step 5: Solve for x
    x = 28,542,161.34/6,154.89
  6. Step 6: Final answer
    x = 4,637.31

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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.