Home / 6,040.32-8,330.40-3,945.12

Finding the Fourth Proportional to 6,040.32, 8,330.40 and 3,945.12

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Solution

The fourth proportional to 6,040.32, 8,330.40 and 3,945.12 is: 5,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.32 : 8,330.40 = 3,945.12 : x
  2. Step 2: Convert to fraction form
    6,040.32/8,330.40 = 3,945.12/x
  3. Step 3: Cross multiply
    6,040.32x = 8,330.40 × 3,945.12
  4. Step 4: Simplify right side
    6,040.32x = 32,864,427.65
  5. Step 5: Solve for x
    x = 32,864,427.65/6,040.32
  6. Step 6: Final answer
    x = 5,440.84

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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.