Home / 8,387.37-12,579.54-3,706.59

Finding the Fourth Proportional to 8,387.37, 12,579.54 and 3,706.59

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Solution

The fourth proportional to 8,387.37, 12,579.54 and 3,706.59 is: 5,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.37 : 12,579.54 = 3,706.59 : x
  2. Step 2: Convert to fraction form
    8,387.37/12,579.54 = 3,706.59/x
  3. Step 3: Cross multiply
    8,387.37x = 12,579.54 × 3,706.59
  4. Step 4: Simplify right side
    8,387.37x = 46,627,197.17
  5. Step 5: Solve for x
    x = 46,627,197.17/8,387.37
  6. Step 6: Final answer
    x = 5,559.22

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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.