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Finding the Fourth Proportional to 8,345.64, 11,504.70 and 6,352.72

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Solution

The fourth proportional to 8,345.64, 11,504.70 and 6,352.72 is: 8,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.64 : 11,504.70 = 6,352.72 : x
  2. Step 2: Convert to fraction form
    8,345.64/11,504.70 = 6,352.72/x
  3. Step 3: Cross multiply
    8,345.64x = 11,504.70 × 6,352.72
  4. Step 4: Simplify right side
    8,345.64x = 73,086,137.78
  5. Step 5: Solve for x
    x = 73,086,137.78/8,345.64
  6. Step 6: Final answer
    x = 8,757.40

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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.