Home / 5,185.19-7,768.46-2,842.67

Finding the Fourth Proportional to 5,185.19, 7,768.46 and 2,842.67

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Solution

The fourth proportional to 5,185.19, 7,768.46 and 2,842.67 is: 4,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.19 : 7,768.46 = 2,842.67 : x
  2. Step 2: Convert to fraction form
    5,185.19/7,768.46 = 2,842.67/x
  3. Step 3: Cross multiply
    5,185.19x = 7,768.46 × 2,842.67
  4. Step 4: Simplify right side
    5,185.19x = 22,083,136.45
  5. Step 5: Solve for x
    x = 22,083,136.45/5,185.19
  6. Step 6: Final answer
    x = 4,258.89

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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.