Home / 8,235.04-12,352.58-3,855.57

Finding the Fourth Proportional to 8,235.04, 12,352.58 and 3,855.57

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Solution

The fourth proportional to 8,235.04, 12,352.58 and 3,855.57 is: 5,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.04 : 12,352.58 = 3,855.57 : x
  2. Step 2: Convert to fraction form
    8,235.04/12,352.58 = 3,855.57/x
  3. Step 3: Cross multiply
    8,235.04x = 12,352.58 × 3,855.57
  4. Step 4: Simplify right side
    8,235.04x = 47,626,278.37
  5. Step 5: Solve for x
    x = 47,626,278.37/8,235.04
  6. Step 6: Final answer
    x = 5,783.37

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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.