Home / 4,260.79-6,391.64-1,299.23

Finding the Fourth Proportional to 4,260.79, 6,391.64 and 1,299.23

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Solution

The fourth proportional to 4,260.79, 6,391.64 and 1,299.23 is: 1,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.79 : 6,391.64 = 1,299.23 : x
  2. Step 2: Convert to fraction form
    4,260.79/6,391.64 = 1,299.23/x
  3. Step 3: Cross multiply
    4,260.79x = 6,391.64 × 1,299.23
  4. Step 4: Simplify right side
    4,260.79x = 8,304,205.70
  5. Step 5: Solve for x
    x = 8,304,205.70/4,260.79
  6. Step 6: Final answer
    x = 1,948.98

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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.