Home / 4,260.54-6,391.47-1,338.57

Finding the Fourth Proportional to 4,260.54, 6,391.47 and 1,338.57

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Solution

The fourth proportional to 4,260.54, 6,391.47 and 1,338.57 is: 2,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.54 : 6,391.47 = 1,338.57 : x
  2. Step 2: Convert to fraction form
    4,260.54/6,391.47 = 1,338.57/x
  3. Step 3: Cross multiply
    4,260.54x = 6,391.47 × 1,338.57
  4. Step 4: Simplify right side
    4,260.54x = 8,555,430.00
  5. Step 5: Solve for x
    x = 8,555,430.00/4,260.54
  6. Step 6: Final answer
    x = 2,008.06

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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.