Home / 6,527.71-9,792.78-2,145.34

Finding the Fourth Proportional to 6,527.71, 9,792.78 and 2,145.34

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Solution

The fourth proportional to 6,527.71, 9,792.78 and 2,145.34 is: 3,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.71 : 9,792.78 = 2,145.34 : x
  2. Step 2: Convert to fraction form
    6,527.71/9,792.78 = 2,145.34/x
  3. Step 3: Cross multiply
    6,527.71x = 9,792.78 × 2,145.34
  4. Step 4: Simplify right side
    6,527.71x = 21,008,842.65
  5. Step 5: Solve for x
    x = 21,008,842.65/6,527.71
  6. Step 6: Final answer
    x = 3,218.41

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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.