Home / 4,768.25-7,152.87-1,305.50

Finding the Fourth Proportional to 4,768.25, 7,152.87 and 1,305.50

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Solution

The fourth proportional to 4,768.25, 7,152.87 and 1,305.50 is: 1,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.25 : 7,152.87 = 1,305.50 : x
  2. Step 2: Convert to fraction form
    4,768.25/7,152.87 = 1,305.50/x
  3. Step 3: Cross multiply
    4,768.25x = 7,152.87 × 1,305.50
  4. Step 4: Simplify right side
    4,768.25x = 9,338,071.79
  5. Step 5: Solve for x
    x = 9,338,071.79/4,768.25
  6. Step 6: Final answer
    x = 1,958.39

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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.