Home / 6,289.08-8,678.33-3,770.72

Finding the Fourth Proportional to 6,289.08, 8,678.33 and 3,770.72

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Solution

The fourth proportional to 6,289.08, 8,678.33 and 3,770.72 is: 5,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.08 : 8,678.33 = 3,770.72 : x
  2. Step 2: Convert to fraction form
    6,289.08/8,678.33 = 3,770.72/x
  3. Step 3: Cross multiply
    6,289.08x = 8,678.33 × 3,770.72
  4. Step 4: Simplify right side
    6,289.08x = 32,723,490.25
  5. Step 5: Solve for x
    x = 32,723,490.25/6,289.08
  6. Step 6: Final answer
    x = 5,203.23

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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.