Home / 8,735.85-12,054.60-5,198.40

Finding the Fourth Proportional to 8,735.85, 12,054.60 and 5,198.40

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Solution

The fourth proportional to 8,735.85, 12,054.60 and 5,198.40 is: 7,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.85 : 12,054.60 = 5,198.40 : x
  2. Step 2: Convert to fraction form
    8,735.85/12,054.60 = 5,198.40/x
  3. Step 3: Cross multiply
    8,735.85x = 12,054.60 × 5,198.40
  4. Step 4: Simplify right side
    8,735.85x = 62,664,632.64
  5. Step 5: Solve for x
    x = 62,664,632.64/8,735.85
  6. Step 6: Final answer
    x = 7,173.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.