Home / 5,515.16-7,604.70-4,020.44

Finding the Fourth Proportional to 5,515.16, 7,604.70 and 4,020.44

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Solution

The fourth proportional to 5,515.16, 7,604.70 and 4,020.44 is: 5,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.16 : 7,604.70 = 4,020.44 : x
  2. Step 2: Convert to fraction form
    5,515.16/7,604.70 = 4,020.44/x
  3. Step 3: Cross multiply
    5,515.16x = 7,604.70 × 4,020.44
  4. Step 4: Simplify right side
    5,515.16x = 30,574,240.07
  5. Step 5: Solve for x
    x = 30,574,240.07/5,515.16
  6. Step 6: Final answer
    x = 5,543.67

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