Home / 6,241.56-9,360.46-5,143.20

Finding the Fourth Proportional to 6,241.56, 9,360.46 and 5,143.20

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Solution

The fourth proportional to 6,241.56, 9,360.46 and 5,143.20 is: 7,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.56 : 9,360.46 = 5,143.20 : x
  2. Step 2: Convert to fraction form
    6,241.56/9,360.46 = 5,143.20/x
  3. Step 3: Cross multiply
    6,241.56x = 9,360.46 × 5,143.20
  4. Step 4: Simplify right side
    6,241.56x = 48,142,717.87
  5. Step 5: Solve for x
    x = 48,142,717.87/6,241.56
  6. Step 6: Final answer
    x = 7,713.25

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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.