Home / 8,237.85-12,354.44-4,080.32

Finding the Fourth Proportional to 8,237.85, 12,354.44 and 4,080.32

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Solution

The fourth proportional to 8,237.85, 12,354.44 and 4,080.32 is: 6,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.85 : 12,354.44 = 4,080.32 : x
  2. Step 2: Convert to fraction form
    8,237.85/12,354.44 = 4,080.32/x
  3. Step 3: Cross multiply
    8,237.85x = 12,354.44 × 4,080.32
  4. Step 4: Simplify right side
    8,237.85x = 50,410,109.71
  5. Step 5: Solve for x
    x = 50,410,109.71/8,237.85
  6. Step 6: Final answer
    x = 6,119.33

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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.