Home / 8,528.91-11,769.88-4,992.79

Finding the Fourth Proportional to 8,528.91, 11,769.88 and 4,992.79

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Solution

The fourth proportional to 8,528.91, 11,769.88 and 4,992.79 is: 6,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.91 : 11,769.88 = 4,992.79 : x
  2. Step 2: Convert to fraction form
    8,528.91/11,769.88 = 4,992.79/x
  3. Step 3: Cross multiply
    8,528.91x = 11,769.88 × 4,992.79
  4. Step 4: Simplify right side
    8,528.91x = 58,764,539.17
  5. Step 5: Solve for x
    x = 58,764,539.17/8,528.91
  6. Step 6: Final answer
    x = 6,890.04

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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.