Home / 6,330.48-8,739.12-3,973.92

Finding the Fourth Proportional to 6,330.48, 8,739.12 and 3,973.92

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Solution

The fourth proportional to 6,330.48, 8,739.12 and 3,973.92 is: 5,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.48 : 8,739.12 = 3,973.92 : x
  2. Step 2: Convert to fraction form
    6,330.48/8,739.12 = 3,973.92/x
  3. Step 3: Cross multiply
    6,330.48x = 8,739.12 × 3,973.92
  4. Step 4: Simplify right side
    6,330.48x = 34,728,563.75
  5. Step 5: Solve for x
    x = 34,728,563.75/6,330.48
  6. Step 6: Final answer
    x = 5,485.93

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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.