Home / 5,478.33-8,206.68-3,623.84

Finding the Fourth Proportional to 5,478.33, 8,206.68 and 3,623.84

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Solution

The fourth proportional to 5,478.33, 8,206.68 and 3,623.84 is: 5,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.33 : 8,206.68 = 3,623.84 : x
  2. Step 2: Convert to fraction form
    5,478.33/8,206.68 = 3,623.84/x
  3. Step 3: Cross multiply
    5,478.33x = 8,206.68 × 3,623.84
  4. Step 4: Simplify right side
    5,478.33x = 29,739,698.58
  5. Step 5: Solve for x
    x = 29,739,698.58/5,478.33
  6. Step 6: Final answer
    x = 5,428.60

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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.