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Finding the Fourth Proportional to 8,898.89, 13,356.63 and 4,519.42

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Solution

The fourth proportional to 8,898.89, 13,356.63 and 4,519.42 is: 6,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.89 : 13,356.63 = 4,519.42 : x
  2. Step 2: Convert to fraction form
    8,898.89/13,356.63 = 4,519.42/x
  3. Step 3: Cross multiply
    8,898.89x = 13,356.63 × 4,519.42
  4. Step 4: Simplify right side
    8,898.89x = 60,364,220.75
  5. Step 5: Solve for x
    x = 60,364,220.75/8,898.89
  6. Step 6: Final answer
    x = 6,783.34

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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.