Home / 5,205.18-7,806.90-2,282.70

Finding the Fourth Proportional to 5,205.18, 7,806.90 and 2,282.70

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Solution

The fourth proportional to 5,205.18, 7,806.90 and 2,282.70 is: 3,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.18 : 7,806.90 = 2,282.70 : x
  2. Step 2: Convert to fraction form
    5,205.18/7,806.90 = 2,282.70/x
  3. Step 3: Cross multiply
    5,205.18x = 7,806.90 × 2,282.70
  4. Step 4: Simplify right side
    5,205.18x = 17,820,810.63
  5. Step 5: Solve for x
    x = 17,820,810.63/5,205.18
  6. Step 6: Final answer
    x = 3,423.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.