Home / 5,148.64-7,705.16-3,173.48

Finding the Fourth Proportional to 5,148.64, 7,705.16 and 3,173.48

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Solution

The fourth proportional to 5,148.64, 7,705.16 and 3,173.48 is: 4,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.64 : 7,705.16 = 3,173.48 : x
  2. Step 2: Convert to fraction form
    5,148.64/7,705.16 = 3,173.48/x
  3. Step 3: Cross multiply
    5,148.64x = 7,705.16 × 3,173.48
  4. Step 4: Simplify right side
    5,148.64x = 24,452,171.16
  5. Step 5: Solve for x
    x = 24,452,171.16/5,148.64
  6. Step 6: Final answer
    x = 4,749.25

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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.