Home / 8,205.35-11,323.38-4,479.35

Finding the Fourth Proportional to 8,205.35, 11,323.38 and 4,479.35

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Solution

The fourth proportional to 8,205.35, 11,323.38 and 4,479.35 is: 6,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.35 : 11,323.38 = 4,479.35 : x
  2. Step 2: Convert to fraction form
    8,205.35/11,323.38 = 4,479.35/x
  3. Step 3: Cross multiply
    8,205.35x = 11,323.38 × 4,479.35
  4. Step 4: Simplify right side
    8,205.35x = 50,721,382.20
  5. Step 5: Solve for x
    x = 50,721,382.20/8,205.35
  6. Step 6: Final answer
    x = 6,181.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.