Home / 9,213.08-12,714.50-5,234.12

Finding the Fourth Proportional to 9,213.08, 12,714.50 and 5,234.12

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Solution

The fourth proportional to 9,213.08, 12,714.50 and 5,234.12 is: 7,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.08 : 12,714.50 = 5,234.12 : x
  2. Step 2: Convert to fraction form
    9,213.08/12,714.50 = 5,234.12/x
  3. Step 3: Cross multiply
    9,213.08x = 12,714.50 × 5,234.12
  4. Step 4: Simplify right side
    9,213.08x = 66,549,218.74
  5. Step 5: Solve for x
    x = 66,549,218.74/9,213.08
  6. Step 6: Final answer
    x = 7,223.34

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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.