Home / 4,288.80-6,433.70-1,367.40

Finding the Fourth Proportional to 4,288.80, 6,433.70 and 1,367.40

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Solution

The fourth proportional to 4,288.80, 6,433.70 and 1,367.40 is: 2,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.80 : 6,433.70 = 1,367.40 : x
  2. Step 2: Convert to fraction form
    4,288.80/6,433.70 = 1,367.40/x
  3. Step 3: Cross multiply
    4,288.80x = 6,433.70 × 1,367.40
  4. Step 4: Simplify right side
    4,288.80x = 8,797,441.38
  5. Step 5: Solve for x
    x = 8,797,441.38/4,288.80
  6. Step 6: Final answer
    x = 2,051.26

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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.