Home / 6,831.70-10,247.14-2,389.06

Finding the Fourth Proportional to 6,831.70, 10,247.14 and 2,389.06

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Solution

The fourth proportional to 6,831.70, 10,247.14 and 2,389.06 is: 3,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.70 : 10,247.14 = 2,389.06 : x
  2. Step 2: Convert to fraction form
    6,831.70/10,247.14 = 2,389.06/x
  3. Step 3: Cross multiply
    6,831.70x = 10,247.14 × 2,389.06
  4. Step 4: Simplify right side
    6,831.70x = 24,481,032.29
  5. Step 5: Solve for x
    x = 24,481,032.29/6,831.70
  6. Step 6: Final answer
    x = 3,583.45

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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.