Home / 6,868.92-10,303.74-1,938.96

Finding the Fourth Proportional to 6,868.92, 10,303.74 and 1,938.96

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Solution

The fourth proportional to 6,868.92, 10,303.74 and 1,938.96 is: 2,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.92 : 10,303.74 = 1,938.96 : x
  2. Step 2: Convert to fraction form
    6,868.92/10,303.74 = 1,938.96/x
  3. Step 3: Cross multiply
    6,868.92x = 10,303.74 × 1,938.96
  4. Step 4: Simplify right side
    6,868.92x = 19,978,539.71
  5. Step 5: Solve for x
    x = 19,978,539.71/6,868.92
  6. Step 6: Final answer
    x = 2,908.54

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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.