Home / 8,485.18-12,722.66-3,804.35

Finding the Fourth Proportional to 8,485.18, 12,722.66 and 3,804.35

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Solution

The fourth proportional to 8,485.18, 12,722.66 and 3,804.35 is: 5,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.18 : 12,722.66 = 3,804.35 : x
  2. Step 2: Convert to fraction form
    8,485.18/12,722.66 = 3,804.35/x
  3. Step 3: Cross multiply
    8,485.18x = 12,722.66 × 3,804.35
  4. Step 4: Simplify right side
    8,485.18x = 48,401,378.45
  5. Step 5: Solve for x
    x = 48,401,378.45/8,485.18
  6. Step 6: Final answer
    x = 5,704.22

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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.