Home / 8,257.57-12,376.81-3,805.93

Finding the Fourth Proportional to 8,257.57, 12,376.81 and 3,805.93

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Solution

The fourth proportional to 8,257.57, 12,376.81 and 3,805.93 is: 5,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.57 : 12,376.81 = 3,805.93 : x
  2. Step 2: Convert to fraction form
    8,257.57/12,376.81 = 3,805.93/x
  3. Step 3: Cross multiply
    8,257.57x = 12,376.81 × 3,805.93
  4. Step 4: Simplify right side
    8,257.57x = 47,105,191.57
  5. Step 5: Solve for x
    x = 47,105,191.57/8,257.57
  6. Step 6: Final answer
    x = 5,704.49

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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.