Home / 4,311.12-6,465.33-2,857.98

Finding the Fourth Proportional to 4,311.12, 6,465.33 and 2,857.98

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Solution

The fourth proportional to 4,311.12, 6,465.33 and 2,857.98 is: 4,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.12 : 6,465.33 = 2,857.98 : x
  2. Step 2: Convert to fraction form
    4,311.12/6,465.33 = 2,857.98/x
  3. Step 3: Cross multiply
    4,311.12x = 6,465.33 × 2,857.98
  4. Step 4: Simplify right side
    4,311.12x = 18,477,783.83
  5. Step 5: Solve for x
    x = 18,477,783.83/4,311.12
  6. Step 6: Final answer
    x = 4,286.08

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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.