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Finding the Fourth Proportional to 9,226.88, 12,733.02 and 5,247.99

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Solution

The fourth proportional to 9,226.88, 12,733.02 and 5,247.99 is: 7,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.88 : 12,733.02 = 5,247.99 : x
  2. Step 2: Convert to fraction form
    9,226.88/12,733.02 = 5,247.99/x
  3. Step 3: Cross multiply
    9,226.88x = 12,733.02 × 5,247.99
  4. Step 4: Simplify right side
    9,226.88x = 66,822,761.63
  5. Step 5: Solve for x
    x = 66,822,761.63/9,226.88
  6. Step 6: Final answer
    x = 7,242.18

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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.