Home / 5,148.56-7,723.38-1,450.76

Finding the Fourth Proportional to 5,148.56, 7,723.38 and 1,450.76

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Solution

The fourth proportional to 5,148.56, 7,723.38 and 1,450.76 is: 2,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.56 : 7,723.38 = 1,450.76 : x
  2. Step 2: Convert to fraction form
    5,148.56/7,723.38 = 1,450.76/x
  3. Step 3: Cross multiply
    5,148.56x = 7,723.38 × 1,450.76
  4. Step 4: Simplify right side
    5,148.56x = 11,204,770.77
  5. Step 5: Solve for x
    x = 11,204,770.77/5,148.56
  6. Step 6: Final answer
    x = 2,176.29

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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.