Home / 8,113.96-12,172.34-2,567.22

Finding the Fourth Proportional to 8,113.96, 12,172.34 and 2,567.22

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Solution

The fourth proportional to 8,113.96, 12,172.34 and 2,567.22 is: 3,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.96 : 12,172.34 = 2,567.22 : x
  2. Step 2: Convert to fraction form
    8,113.96/12,172.34 = 2,567.22/x
  3. Step 3: Cross multiply
    8,113.96x = 12,172.34 × 2,567.22
  4. Step 4: Simplify right side
    8,113.96x = 31,249,074.69
  5. Step 5: Solve for x
    x = 31,249,074.69/8,113.96
  6. Step 6: Final answer
    x = 3,851.27

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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.