Home / 6,387.63-9,556.84-4,297.67

Finding the Fourth Proportional to 6,387.63, 9,556.84 and 4,297.67

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Solution

The fourth proportional to 6,387.63, 9,556.84 and 4,297.67 is: 6,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.63 : 9,556.84 = 4,297.67 : x
  2. Step 2: Convert to fraction form
    6,387.63/9,556.84 = 4,297.67/x
  3. Step 3: Cross multiply
    6,387.63x = 9,556.84 × 4,297.67
  4. Step 4: Simplify right side
    6,387.63x = 41,072,167.57
  5. Step 5: Solve for x
    x = 41,072,167.57/6,387.63
  6. Step 6: Final answer
    x = 6,429.96

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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.