Home / 9,021.32-13,523.34-2,861

Finding the Fourth Proportional to 9,021.32, 13,523.34 and 2,861

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Solution

The fourth proportional to 9,021.32, 13,523.34 and 2,861 is: 4,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.32 : 13,523.34 = 2,861 : x
  2. Step 2: Convert to fraction form
    9,021.32/13,523.34 = 2,861/x
  3. Step 3: Cross multiply
    9,021.32x = 13,523.34 × 2,861
  4. Step 4: Simplify right side
    9,021.32x = 38,690,275.74
  5. Step 5: Solve for x
    x = 38,690,275.74/9,021.32
  6. Step 6: Final answer
    x = 4,288.76

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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.