Home / 5,476.40-8,206.20-4,083.20

Finding the Fourth Proportional to 5,476.40, 8,206.20 and 4,083.20

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Solution

The fourth proportional to 5,476.40, 8,206.20 and 4,083.20 is: 6,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.40 : 8,206.20 = 4,083.20 : x
  2. Step 2: Convert to fraction form
    5,476.40/8,206.20 = 4,083.20/x
  3. Step 3: Cross multiply
    5,476.40x = 8,206.20 × 4,083.20
  4. Step 4: Simplify right side
    5,476.40x = 33,507,555.84
  5. Step 5: Solve for x
    x = 33,507,555.84/5,476.40
  6. Step 6: Final answer
    x = 6,118.54

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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.