Home / 5,480.30-8,222.06-1,584.74

Finding the Fourth Proportional to 5,480.30, 8,222.06 and 1,584.74

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Solution

The fourth proportional to 5,480.30, 8,222.06 and 1,584.74 is: 2,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.30 : 8,222.06 = 1,584.74 : x
  2. Step 2: Convert to fraction form
    5,480.30/8,222.06 = 1,584.74/x
  3. Step 3: Cross multiply
    5,480.30x = 8,222.06 × 1,584.74
  4. Step 4: Simplify right side
    5,480.30x = 13,029,790.22
  5. Step 5: Solve for x
    x = 13,029,790.22/5,480.30
  6. Step 6: Final answer
    x = 2,377.57

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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.