Home / 8,745.34-13,104.90-3,812.30

Finding the Fourth Proportional to 8,745.34, 13,104.90 and 3,812.30

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Solution

The fourth proportional to 8,745.34, 13,104.90 and 3,812.30 is: 5,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.34 : 13,104.90 = 3,812.30 : x
  2. Step 2: Convert to fraction form
    8,745.34/13,104.90 = 3,812.30/x
  3. Step 3: Cross multiply
    8,745.34x = 13,104.90 × 3,812.30
  4. Step 4: Simplify right side
    8,745.34x = 49,959,810.27
  5. Step 5: Solve for x
    x = 49,959,810.27/8,745.34
  6. Step 6: Final answer
    x = 5,712.74

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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.