Home / 9,213.89-12,714.23-5,234.22

Finding the Fourth Proportional to 9,213.89, 12,714.23 and 5,234.22

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Solution

The fourth proportional to 9,213.89, 12,714.23 and 5,234.22 is: 7,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.89 : 12,714.23 = 5,234.22 : x
  2. Step 2: Convert to fraction form
    9,213.89/12,714.23 = 5,234.22/x
  3. Step 3: Cross multiply
    9,213.89x = 12,714.23 × 5,234.22
  4. Step 4: Simplify right side
    9,213.89x = 66,549,090.04
  5. Step 5: Solve for x
    x = 66,549,090.04/9,213.89
  6. Step 6: Final answer
    x = 7,222.70

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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.