Home / 5,479.23-8,211.05-4,240.84

Finding the Fourth Proportional to 5,479.23, 8,211.05 and 4,240.84

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Solution

The fourth proportional to 5,479.23, 8,211.05 and 4,240.84 is: 6,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.23 : 8,211.05 = 4,240.84 : x
  2. Step 2: Convert to fraction form
    5,479.23/8,211.05 = 4,240.84/x
  3. Step 3: Cross multiply
    5,479.23x = 8,211.05 × 4,240.84
  4. Step 4: Simplify right side
    5,479.23x = 34,821,749.28
  5. Step 5: Solve for x
    x = 34,821,749.28/5,479.23
  6. Step 6: Final answer
    x = 6,355.23

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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.