Home / 5,450.19-7,519.18-3,211.25

Finding the Fourth Proportional to 5,450.19, 7,519.18 and 3,211.25

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Solution

The fourth proportional to 5,450.19, 7,519.18 and 3,211.25 is: 4,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.19 : 7,519.18 = 3,211.25 : x
  2. Step 2: Convert to fraction form
    5,450.19/7,519.18 = 3,211.25/x
  3. Step 3: Cross multiply
    5,450.19x = 7,519.18 × 3,211.25
  4. Step 4: Simplify right side
    5,450.19x = 24,145,927.17
  5. Step 5: Solve for x
    x = 24,145,927.17/5,450.19
  6. Step 6: Final answer
    x = 4,430.29

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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.