Home / 6,450.40-9,669.12-3,522.64

Finding the Fourth Proportional to 6,450.40, 9,669.12 and 3,522.64

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Solution

The fourth proportional to 6,450.40, 9,669.12 and 3,522.64 is: 5,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.40 : 9,669.12 = 3,522.64 : x
  2. Step 2: Convert to fraction form
    6,450.40/9,669.12 = 3,522.64/x
  3. Step 3: Cross multiply
    6,450.40x = 9,669.12 × 3,522.64
  4. Step 4: Simplify right side
    6,450.40x = 34,060,828.88
  5. Step 5: Solve for x
    x = 34,060,828.88/6,450.40
  6. Step 6: Final answer
    x = 5,280.42

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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.