Home / 6,315.57-9,469.31-2,620.35

Finding the Fourth Proportional to 6,315.57, 9,469.31 and 2,620.35

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Solution

The fourth proportional to 6,315.57, 9,469.31 and 2,620.35 is: 3,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.57 : 9,469.31 = 2,620.35 : x
  2. Step 2: Convert to fraction form
    6,315.57/9,469.31 = 2,620.35/x
  3. Step 3: Cross multiply
    6,315.57x = 9,469.31 × 2,620.35
  4. Step 4: Simplify right side
    6,315.57x = 24,812,893.36
  5. Step 5: Solve for x
    x = 24,812,893.36/6,315.57
  6. Step 6: Final answer
    x = 3,928.84

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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.