Home / 7,823.85-11,727.57-3,660.34

Finding the Fourth Proportional to 7,823.85, 11,727.57 and 3,660.34

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Solution

The fourth proportional to 7,823.85, 11,727.57 and 3,660.34 is: 5,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.85 : 11,727.57 = 3,660.34 : x
  2. Step 2: Convert to fraction form
    7,823.85/11,727.57 = 3,660.34/x
  3. Step 3: Cross multiply
    7,823.85x = 11,727.57 × 3,660.34
  4. Step 4: Simplify right side
    7,823.85x = 42,926,893.57
  5. Step 5: Solve for x
    x = 42,926,893.57/7,823.85
  6. Step 6: Final answer
    x = 5,486.67

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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.