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Finding the Fourth Proportional to 6,192.70, 9,288.15 and 1,809.70

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Solution

The fourth proportional to 6,192.70, 9,288.15 and 1,809.70 is: 2,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.70 : 9,288.15 = 1,809.70 : x
  2. Step 2: Convert to fraction form
    6,192.70/9,288.15 = 1,809.70/x
  3. Step 3: Cross multiply
    6,192.70x = 9,288.15 × 1,809.70
  4. Step 4: Simplify right side
    6,192.70x = 16,808,765.06
  5. Step 5: Solve for x
    x = 16,808,765.06/6,192.70
  6. Step 6: Final answer
    x = 2,714.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.