Home / 6,920.70-10,377.69-3,222.06

Finding the Fourth Proportional to 6,920.70, 10,377.69 and 3,222.06

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Solution

The fourth proportional to 6,920.70, 10,377.69 and 3,222.06 is: 4,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.70 : 10,377.69 = 3,222.06 : x
  2. Step 2: Convert to fraction form
    6,920.70/10,377.69 = 3,222.06/x
  3. Step 3: Cross multiply
    6,920.70x = 10,377.69 × 3,222.06
  4. Step 4: Simplify right side
    6,920.70x = 33,437,539.84
  5. Step 5: Solve for x
    x = 33,437,539.84/6,920.70
  6. Step 6: Final answer
    x = 4,831.53

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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.