Home / 8,312.20-11,470.96-4,956.96

Finding the Fourth Proportional to 8,312.20, 11,470.96 and 4,956.96

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Solution

The fourth proportional to 8,312.20, 11,470.96 and 4,956.96 is: 6,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.20 : 11,470.96 = 4,956.96 : x
  2. Step 2: Convert to fraction form
    8,312.20/11,470.96 = 4,956.96/x
  3. Step 3: Cross multiply
    8,312.20x = 11,470.96 × 4,956.96
  4. Step 4: Simplify right side
    8,312.20x = 56,861,089.88
  5. Step 5: Solve for x
    x = 56,861,089.88/8,312.20
  6. Step 6: Final answer
    x = 6,840.68

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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.