Home / 8,584.57-12,885.15-4,145.34

Finding the Fourth Proportional to 8,584.57, 12,885.15 and 4,145.34

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Solution

The fourth proportional to 8,584.57, 12,885.15 and 4,145.34 is: 6,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.57 : 12,885.15 = 4,145.34 : x
  2. Step 2: Convert to fraction form
    8,584.57/12,885.15 = 4,145.34/x
  3. Step 3: Cross multiply
    8,584.57x = 12,885.15 × 4,145.34
  4. Step 4: Simplify right side
    8,584.57x = 53,413,327.70
  5. Step 5: Solve for x
    x = 53,413,327.70/8,584.57
  6. Step 6: Final answer
    x = 6,222.02

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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.