Home / 4,300.40-6,450.61-2,839.21

Finding the Fourth Proportional to 4,300.40, 6,450.61 and 2,839.21

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Solution

The fourth proportional to 4,300.40, 6,450.61 and 2,839.21 is: 4,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.40 : 6,450.61 = 2,839.21 : x
  2. Step 2: Convert to fraction form
    4,300.40/6,450.61 = 2,839.21/x
  3. Step 3: Cross multiply
    4,300.40x = 6,450.61 × 2,839.21
  4. Step 4: Simplify right side
    4,300.40x = 18,314,636.42
  5. Step 5: Solve for x
    x = 18,314,636.42/4,300.40
  6. Step 6: Final answer
    x = 4,258.82

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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.