Home / 5,429.67-8,147.70-2,351.67

Finding the Fourth Proportional to 5,429.67, 8,147.70 and 2,351.67

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Solution

The fourth proportional to 5,429.67, 8,147.70 and 2,351.67 is: 3,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.67 : 8,147.70 = 2,351.67 : x
  2. Step 2: Convert to fraction form
    5,429.67/8,147.70 = 2,351.67/x
  3. Step 3: Cross multiply
    5,429.67x = 8,147.70 × 2,351.67
  4. Step 4: Simplify right side
    5,429.67x = 19,160,701.66
  5. Step 5: Solve for x
    x = 19,160,701.66/5,429.67
  6. Step 6: Final answer
    x = 3,528.89

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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.