Home / 8,205.36-12,305.16-3,585.84

Finding the Fourth Proportional to 8,205.36, 12,305.16 and 3,585.84

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Solution

The fourth proportional to 8,205.36, 12,305.16 and 3,585.84 is: 5,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.36 : 12,305.16 = 3,585.84 : x
  2. Step 2: Convert to fraction form
    8,205.36/12,305.16 = 3,585.84/x
  3. Step 3: Cross multiply
    8,205.36x = 12,305.16 × 3,585.84
  4. Step 4: Simplify right side
    8,205.36x = 44,124,334.93
  5. Step 5: Solve for x
    x = 44,124,334.93/8,205.36
  6. Step 6: Final answer
    x = 5,377.50

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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.