Home / 8,250.09-11,389.07-4,712.61

Finding the Fourth Proportional to 8,250.09, 11,389.07 and 4,712.61

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Solution

The fourth proportional to 8,250.09, 11,389.07 and 4,712.61 is: 6,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.09 : 11,389.07 = 4,712.61 : x
  2. Step 2: Convert to fraction form
    8,250.09/11,389.07 = 4,712.61/x
  3. Step 3: Cross multiply
    8,250.09x = 11,389.07 × 4,712.61
  4. Step 4: Simplify right side
    8,250.09x = 53,672,299.66
  5. Step 5: Solve for x
    x = 53,672,299.66/8,250.09
  6. Step 6: Final answer
    x = 6,505.67

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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.