Home / 4,735.81-7,102.86-1,272.25

Finding the Fourth Proportional to 4,735.81, 7,102.86 and 1,272.25

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Solution

The fourth proportional to 4,735.81, 7,102.86 and 1,272.25 is: 1,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.81 : 7,102.86 = 1,272.25 : x
  2. Step 2: Convert to fraction form
    4,735.81/7,102.86 = 1,272.25/x
  3. Step 3: Cross multiply
    4,735.81x = 7,102.86 × 1,272.25
  4. Step 4: Simplify right side
    4,735.81x = 9,036,613.64
  5. Step 5: Solve for x
    x = 9,036,613.64/4,735.81
  6. Step 6: Final answer
    x = 1,908.15

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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.