Home / 7,728.15-11,592.55-3,835.67

Finding the Fourth Proportional to 7,728.15, 11,592.55 and 3,835.67

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Solution

The fourth proportional to 7,728.15, 11,592.55 and 3,835.67 is: 5,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.15 : 11,592.55 = 3,835.67 : x
  2. Step 2: Convert to fraction form
    7,728.15/11,592.55 = 3,835.67/x
  3. Step 3: Cross multiply
    7,728.15x = 11,592.55 × 3,835.67
  4. Step 4: Simplify right side
    7,728.15x = 44,465,196.26
  5. Step 5: Solve for x
    x = 44,465,196.26/7,728.15
  6. Step 6: Final answer
    x = 5,753.67

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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.