Home / 6,370.20-8,790.81-3,537.47

Finding the Fourth Proportional to 6,370.20, 8,790.81 and 3,537.47

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Solution

The fourth proportional to 6,370.20, 8,790.81 and 3,537.47 is: 4,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.20 : 8,790.81 = 3,537.47 : x
  2. Step 2: Convert to fraction form
    6,370.20/8,790.81 = 3,537.47/x
  3. Step 3: Cross multiply
    6,370.20x = 8,790.81 × 3,537.47
  4. Step 4: Simplify right side
    6,370.20x = 31,097,226.65
  5. Step 5: Solve for x
    x = 31,097,226.65/6,370.20
  6. Step 6: Final answer
    x = 4,881.67

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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.