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Finding the Fourth Proportional to 8,354.79, 11,529 and 4,577.36

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Solution

The fourth proportional to 8,354.79, 11,529 and 4,577.36 is: 6,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.79 : 11,529 = 4,577.36 : x
  2. Step 2: Convert to fraction form
    8,354.79/11,529 = 4,577.36/x
  3. Step 3: Cross multiply
    8,354.79x = 11,529 × 4,577.36
  4. Step 4: Simplify right side
    8,354.79x = 52,772,325.80
  5. Step 5: Solve for x
    x = 52,772,325.80/8,354.79
  6. Step 6: Final answer
    x = 6,316.42

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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.