Home / 6,315.75-9,469.98-2,805.75

Finding the Fourth Proportional to 6,315.75, 9,469.98 and 2,805.75

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Solution

The fourth proportional to 6,315.75, 9,469.98 and 2,805.75 is: 4,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.75 : 9,469.98 = 2,805.75 : x
  2. Step 2: Convert to fraction form
    6,315.75/9,469.98 = 2,805.75/x
  3. Step 3: Cross multiply
    6,315.75x = 9,469.98 × 2,805.75
  4. Step 4: Simplify right side
    6,315.75x = 26,570,396.39
  5. Step 5: Solve for x
    x = 26,570,396.39/6,315.75
  6. Step 6: Final answer
    x = 4,207.01

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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.