Home / 8,234.51-11,370.18-7,604.81

Finding the Fourth Proportional to 8,234.51, 11,370.18 and 7,604.81

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Solution

The fourth proportional to 8,234.51, 11,370.18 and 7,604.81 is: 10,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.51 : 11,370.18 = 7,604.81 : x
  2. Step 2: Convert to fraction form
    8,234.51/11,370.18 = 7,604.81/x
  3. Step 3: Cross multiply
    8,234.51x = 11,370.18 × 7,604.81
  4. Step 4: Simplify right side
    8,234.51x = 86,467,963.69
  5. Step 5: Solve for x
    x = 86,467,963.69/8,234.51
  6. Step 6: Final answer
    x = 10,500.68

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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.