Home / 6,330.48-8,735.31-3,812.55

Finding the Fourth Proportional to 6,330.48, 8,735.31 and 3,812.55

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Solution

The fourth proportional to 6,330.48, 8,735.31 and 3,812.55 is: 5,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.48 : 8,735.31 = 3,812.55 : x
  2. Step 2: Convert to fraction form
    6,330.48/8,735.31 = 3,812.55/x
  3. Step 3: Cross multiply
    6,330.48x = 8,735.31 × 3,812.55
  4. Step 4: Simplify right side
    6,330.48x = 33,303,806.14
  5. Step 5: Solve for x
    x = 33,303,806.14/6,330.48
  6. Step 6: Final answer
    x = 5,260.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.