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Finding the Fourth Proportional to 8,899.64, 13,341.54 and 3,702.20

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Solution

The fourth proportional to 8,899.64, 13,341.54 and 3,702.20 is: 5,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.64 : 13,341.54 = 3,702.20 : x
  2. Step 2: Convert to fraction form
    8,899.64/13,341.54 = 3,702.20/x
  3. Step 3: Cross multiply
    8,899.64x = 13,341.54 × 3,702.20
  4. Step 4: Simplify right side
    8,899.64x = 49,393,049.39
  5. Step 5: Solve for x
    x = 49,393,049.39/8,899.64
  6. Step 6: Final answer
    x = 5,550.01

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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.