Home / 6,782.16-10,172.66-2,102.06

Finding the Fourth Proportional to 6,782.16, 10,172.66 and 2,102.06

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Solution

The fourth proportional to 6,782.16, 10,172.66 and 2,102.06 is: 3,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.16 : 10,172.66 = 2,102.06 : x
  2. Step 2: Convert to fraction form
    6,782.16/10,172.66 = 2,102.06/x
  3. Step 3: Cross multiply
    6,782.16x = 10,172.66 × 2,102.06
  4. Step 4: Simplify right side
    6,782.16x = 21,383,572.37
  5. Step 5: Solve for x
    x = 21,383,572.37/6,782.16
  6. Step 6: Final answer
    x = 3,152.91

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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.