Home / 4,260.06-6,385.77-1,921.32

Finding the Fourth Proportional to 4,260.06, 6,385.77 and 1,921.32

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Solution

The fourth proportional to 4,260.06, 6,385.77 and 1,921.32 is: 2,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.06 : 6,385.77 = 1,921.32 : x
  2. Step 2: Convert to fraction form
    4,260.06/6,385.77 = 1,921.32/x
  3. Step 3: Cross multiply
    4,260.06x = 6,385.77 × 1,921.32
  4. Step 4: Simplify right side
    4,260.06x = 12,269,107.62
  5. Step 5: Solve for x
    x = 12,269,107.62/4,260.06
  6. Step 6: Final answer
    x = 2,880.03

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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.