Home / 9,213.83-12,715.09-5,234.95

Finding the Fourth Proportional to 9,213.83, 12,715.09 and 5,234.95

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Solution

The fourth proportional to 9,213.83, 12,715.09 and 5,234.95 is: 7,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.83 : 12,715.09 = 5,234.95 : x
  2. Step 2: Convert to fraction form
    9,213.83/12,715.09 = 5,234.95/x
  3. Step 3: Cross multiply
    9,213.83x = 12,715.09 × 5,234.95
  4. Step 4: Simplify right side
    9,213.83x = 66,562,873.48
  5. Step 5: Solve for x
    x = 66,562,873.48/9,213.83
  6. Step 6: Final answer
    x = 7,224.23

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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.