Home / 6,724.72-10,085.64-2,106.64

Finding the Fourth Proportional to 6,724.72, 10,085.64 and 2,106.64

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Solution

The fourth proportional to 6,724.72, 10,085.64 and 2,106.64 is: 3,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.72 : 10,085.64 = 2,106.64 : x
  2. Step 2: Convert to fraction form
    6,724.72/10,085.64 = 2,106.64/x
  3. Step 3: Cross multiply
    6,724.72x = 10,085.64 × 2,106.64
  4. Step 4: Simplify right side
    6,724.72x = 21,246,812.65
  5. Step 5: Solve for x
    x = 21,246,812.65/6,724.72
  6. Step 6: Final answer
    x = 3,159.51

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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.