Home / 4,300.14-6,450.81-1,379.34

Finding the Fourth Proportional to 4,300.14, 6,450.81 and 1,379.34

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Solution

The fourth proportional to 4,300.14, 6,450.81 and 1,379.34 is: 2,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.14 : 6,450.81 = 1,379.34 : x
  2. Step 2: Convert to fraction form
    4,300.14/6,450.81 = 1,379.34/x
  3. Step 3: Cross multiply
    4,300.14x = 6,450.81 × 1,379.34
  4. Step 4: Simplify right side
    4,300.14x = 8,897,860.27
  5. Step 5: Solve for x
    x = 8,897,860.27/4,300.14
  6. Step 6: Final answer
    x = 2,069.20

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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.