Home / 8,825.85-13,246.37-5,122.94

Finding the Fourth Proportional to 8,825.85, 13,246.37 and 5,122.94

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Solution

The fourth proportional to 8,825.85, 13,246.37 and 5,122.94 is: 7,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.85 : 13,246.37 = 5,122.94 : x
  2. Step 2: Convert to fraction form
    8,825.85/13,246.37 = 5,122.94/x
  3. Step 3: Cross multiply
    8,825.85x = 13,246.37 × 5,122.94
  4. Step 4: Simplify right side
    8,825.85x = 67,860,266.88
  5. Step 5: Solve for x
    x = 67,860,266.88/8,825.85
  6. Step 6: Final answer
    x = 7,688.81

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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.