Home / 8,392.20-11,581.53-4,615.65

Finding the Fourth Proportional to 8,392.20, 11,581.53 and 4,615.65

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Solution

The fourth proportional to 8,392.20, 11,581.53 and 4,615.65 is: 6,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.20 : 11,581.53 = 4,615.65 : x
  2. Step 2: Convert to fraction form
    8,392.20/11,581.53 = 4,615.65/x
  3. Step 3: Cross multiply
    8,392.20x = 11,581.53 × 4,615.65
  4. Step 4: Simplify right side
    8,392.20x = 53,456,288.94
  5. Step 5: Solve for x
    x = 53,456,288.94/8,392.20
  6. Step 6: Final answer
    x = 6,369.76

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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.