Home / 5,725.80-8,586.18-1,830.60

Finding the Fourth Proportional to 5,725.80, 8,586.18 and 1,830.60

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Solution

The fourth proportional to 5,725.80, 8,586.18 and 1,830.60 is: 2,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.80 : 8,586.18 = 1,830.60 : x
  2. Step 2: Convert to fraction form
    5,725.80/8,586.18 = 1,830.60/x
  3. Step 3: Cross multiply
    5,725.80x = 8,586.18 × 1,830.60
  4. Step 4: Simplify right side
    5,725.80x = 15,717,861.11
  5. Step 5: Solve for x
    x = 15,717,861.11/5,725.80
  6. Step 6: Final answer
    x = 2,745.09

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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.