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Finding the Fourth Proportional to 5,346.80, 8,018.13 and 1,836.14

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Solution

The fourth proportional to 5,346.80, 8,018.13 and 1,836.14 is: 2,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.80 : 8,018.13 = 1,836.14 : x
  2. Step 2: Convert to fraction form
    5,346.80/8,018.13 = 1,836.14/x
  3. Step 3: Cross multiply
    5,346.80x = 8,018.13 × 1,836.14
  4. Step 4: Simplify right side
    5,346.80x = 14,722,409.22
  5. Step 5: Solve for x
    x = 14,722,409.22/5,346.80
  6. Step 6: Final answer
    x = 2,753.50

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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.