Home / 6,319.06-9,478.60-1,936.50

Finding the Fourth Proportional to 6,319.06, 9,478.60 and 1,936.50

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Solution

The fourth proportional to 6,319.06, 9,478.60 and 1,936.50 is: 2,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.06 : 9,478.60 = 1,936.50 : x
  2. Step 2: Convert to fraction form
    6,319.06/9,478.60 = 1,936.50/x
  3. Step 3: Cross multiply
    6,319.06x = 9,478.60 × 1,936.50
  4. Step 4: Simplify right side
    6,319.06x = 18,355,308.90
  5. Step 5: Solve for x
    x = 18,355,308.90/6,319.06
  6. Step 6: Final answer
    x = 2,904.75

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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.