Home / 5,715.25-7,885.62-3,325.61

Finding the Fourth Proportional to 5,715.25, 7,885.62 and 3,325.61

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Solution

The fourth proportional to 5,715.25, 7,885.62 and 3,325.61 is: 4,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.25 : 7,885.62 = 3,325.61 : x
  2. Step 2: Convert to fraction form
    5,715.25/7,885.62 = 3,325.61/x
  3. Step 3: Cross multiply
    5,715.25x = 7,885.62 × 3,325.61
  4. Step 4: Simplify right side
    5,715.25x = 26,224,516.44
  5. Step 5: Solve for x
    x = 26,224,516.44/5,715.25
  6. Step 6: Final answer
    x = 4,588.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.