Home / 8,160.43-11,261.40-4,623.64

Finding the Fourth Proportional to 8,160.43, 11,261.40 and 4,623.64

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Solution

The fourth proportional to 8,160.43, 11,261.40 and 4,623.64 is: 6,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.43 : 11,261.40 = 4,623.64 : x
  2. Step 2: Convert to fraction form
    8,160.43/11,261.40 = 4,623.64/x
  3. Step 3: Cross multiply
    8,160.43x = 11,261.40 × 4,623.64
  4. Step 4: Simplify right side
    8,160.43x = 52,068,702.94
  5. Step 5: Solve for x
    x = 52,068,702.94/8,160.43
  6. Step 6: Final answer
    x = 6,380.63

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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.