Home / 7,286.46-10,930.80-2,903.70

Finding the Fourth Proportional to 7,286.46, 10,930.80 and 2,903.70

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Solution

The fourth proportional to 7,286.46, 10,930.80 and 2,903.70 is: 4,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.46 : 10,930.80 = 2,903.70 : x
  2. Step 2: Convert to fraction form
    7,286.46/10,930.80 = 2,903.70/x
  3. Step 3: Cross multiply
    7,286.46x = 10,930.80 × 2,903.70
  4. Step 4: Simplify right side
    7,286.46x = 31,739,763.96
  5. Step 5: Solve for x
    x = 31,739,763.96/7,286.46
  6. Step 6: Final answer
    x = 4,355.99

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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.