Home / 5,303.38-7,318.20-2,912.96

Finding the Fourth Proportional to 5,303.38, 7,318.20 and 2,912.96

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Solution

The fourth proportional to 5,303.38, 7,318.20 and 2,912.96 is: 4,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.38 : 7,318.20 = 2,912.96 : x
  2. Step 2: Convert to fraction form
    5,303.38/7,318.20 = 2,912.96/x
  3. Step 3: Cross multiply
    5,303.38x = 7,318.20 × 2,912.96
  4. Step 4: Simplify right side
    5,303.38x = 21,317,623.87
  5. Step 5: Solve for x
    x = 21,317,623.87/5,303.38
  6. Step 6: Final answer
    x = 4,019.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.