Home / 6,319.64-9,481.30-1,937.75

Finding the Fourth Proportional to 6,319.64, 9,481.30 and 1,937.75

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Solution

The fourth proportional to 6,319.64, 9,481.30 and 1,937.75 is: 2,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.64 : 9,481.30 = 1,937.75 : x
  2. Step 2: Convert to fraction form
    6,319.64/9,481.30 = 1,937.75/x
  3. Step 3: Cross multiply
    6,319.64x = 9,481.30 × 1,937.75
  4. Step 4: Simplify right side
    6,319.64x = 18,372,336.82
  5. Step 5: Solve for x
    x = 18,372,336.82/6,319.64
  6. Step 6: Final answer
    x = 2,907.18

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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.