Home / 4,260.60-6,391.71-1,339.07

Finding the Fourth Proportional to 4,260.60, 6,391.71 and 1,339.07

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Solution

The fourth proportional to 4,260.60, 6,391.71 and 1,339.07 is: 2,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.60 : 6,391.71 = 1,339.07 : x
  2. Step 2: Convert to fraction form
    4,260.60/6,391.71 = 1,339.07/x
  3. Step 3: Cross multiply
    4,260.60x = 6,391.71 × 1,339.07
  4. Step 4: Simplify right side
    4,260.60x = 8,558,915.15
  5. Step 5: Solve for x
    x = 8,558,915.15/4,260.60
  6. Step 6: Final answer
    x = 2,008.85

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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.