Home / 8,568.36-12,851.60-3,020.67

Finding the Fourth Proportional to 8,568.36, 12,851.60 and 3,020.67

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Solution

The fourth proportional to 8,568.36, 12,851.60 and 3,020.67 is: 4,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.36 : 12,851.60 = 3,020.67 : x
  2. Step 2: Convert to fraction form
    8,568.36/12,851.60 = 3,020.67/x
  3. Step 3: Cross multiply
    8,568.36x = 12,851.60 × 3,020.67
  4. Step 4: Simplify right side
    8,568.36x = 38,820,427.47
  5. Step 5: Solve for x
    x = 38,820,427.47/8,568.36
  6. Step 6: Final answer
    x = 4,530.67

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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.