Home / 6,450.30-9,667.89-2,980.26

Finding the Fourth Proportional to 6,450.30, 9,667.89 and 2,980.26

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Solution

The fourth proportional to 6,450.30, 9,667.89 and 2,980.26 is: 4,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.30 : 9,667.89 = 2,980.26 : x
  2. Step 2: Convert to fraction form
    6,450.30/9,667.89 = 2,980.26/x
  3. Step 3: Cross multiply
    6,450.30x = 9,667.89 × 2,980.26
  4. Step 4: Simplify right side
    6,450.30x = 28,812,825.85
  5. Step 5: Solve for x
    x = 28,812,825.85/6,450.30
  6. Step 6: Final answer
    x = 4,466.90

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1.5x scale

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.