Home / 8,308.44-12,462.63-2,762.21

Finding the Fourth Proportional to 8,308.44, 12,462.63 and 2,762.21

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Solution

The fourth proportional to 8,308.44, 12,462.63 and 2,762.21 is: 4,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.44 : 12,462.63 = 2,762.21 : x
  2. Step 2: Convert to fraction form
    8,308.44/12,462.63 = 2,762.21/x
  3. Step 3: Cross multiply
    8,308.44x = 12,462.63 × 2,762.21
  4. Step 4: Simplify right side
    8,308.44x = 34,424,401.21
  5. Step 5: Solve for x
    x = 34,424,401.21/8,308.44
  6. Step 6: Final answer
    x = 4,143.31

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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.