Home / 8,158.72-11,260.84-4,623.88

Finding the Fourth Proportional to 8,158.72, 11,260.84 and 4,623.88

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Solution

The fourth proportional to 8,158.72, 11,260.84 and 4,623.88 is: 6,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.72 : 11,260.84 = 4,623.88 : x
  2. Step 2: Convert to fraction form
    8,158.72/11,260.84 = 4,623.88/x
  3. Step 3: Cross multiply
    8,158.72x = 11,260.84 × 4,623.88
  4. Step 4: Simplify right side
    8,158.72x = 52,068,772.86
  5. Step 5: Solve for x
    x = 52,068,772.86/8,158.72
  6. Step 6: Final answer
    x = 6,381.98

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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.