Home / 6,903.70-10,355.92-1,972.96

Finding the Fourth Proportional to 6,903.70, 10,355.92 and 1,972.96

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Solution

The fourth proportional to 6,903.70, 10,355.92 and 1,972.96 is: 2,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.70 : 10,355.92 = 1,972.96 : x
  2. Step 2: Convert to fraction form
    6,903.70/10,355.92 = 1,972.96/x
  3. Step 3: Cross multiply
    6,903.70x = 10,355.92 × 1,972.96
  4. Step 4: Simplify right side
    6,903.70x = 20,431,815.92
  5. Step 5: Solve for x
    x = 20,431,815.92/6,903.70
  6. Step 6: Final answer
    x = 2,959.55

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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.