Home / 6,212.44-9,312.16-2,315.28

Finding the Fourth Proportional to 6,212.44, 9,312.16 and 2,315.28

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Solution

The fourth proportional to 6,212.44, 9,312.16 and 2,315.28 is: 3,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.44 : 9,312.16 = 2,315.28 : x
  2. Step 2: Convert to fraction form
    6,212.44/9,312.16 = 2,315.28/x
  3. Step 3: Cross multiply
    6,212.44x = 9,312.16 × 2,315.28
  4. Step 4: Simplify right side
    6,212.44x = 21,560,257.80
  5. Step 5: Solve for x
    x = 21,560,257.80/6,212.44
  6. Step 6: Final answer
    x = 3,470.50

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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.