Home / 5,346.21-8,019.42-1,836.20

Finding the Fourth Proportional to 5,346.21, 8,019.42 and 1,836.20

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Solution

The fourth proportional to 5,346.21, 8,019.42 and 1,836.20 is: 2,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.21 : 8,019.42 = 1,836.20 : x
  2. Step 2: Convert to fraction form
    5,346.21/8,019.42 = 1,836.20/x
  3. Step 3: Cross multiply
    5,346.21x = 8,019.42 × 1,836.20
  4. Step 4: Simplify right side
    5,346.21x = 14,725,209.73
  5. Step 5: Solve for x
    x = 14,725,209.73/5,346.21
  6. Step 6: Final answer
    x = 2,754.33

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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.