Home / 8,415.36-12,612.85-3,725.26

Finding the Fourth Proportional to 8,415.36, 12,612.85 and 3,725.26

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Solution

The fourth proportional to 8,415.36, 12,612.85 and 3,725.26 is: 5,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.36 : 12,612.85 = 3,725.26 : x
  2. Step 2: Convert to fraction form
    8,415.36/12,612.85 = 3,725.26/x
  3. Step 3: Cross multiply
    8,415.36x = 12,612.85 × 3,725.26
  4. Step 4: Simplify right side
    8,415.36x = 46,986,104.75
  5. Step 5: Solve for x
    x = 46,986,104.75/8,415.36
  6. Step 6: Final answer
    x = 5,583.37

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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.