Home / 6,827.20-9,415.92-4,030

Finding the Fourth Proportional to 6,827.20, 9,415.92 and 4,030

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Solution

The fourth proportional to 6,827.20, 9,415.92 and 4,030 is: 5,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.20 : 9,415.92 = 4,030 : x
  2. Step 2: Convert to fraction form
    6,827.20/9,415.92 = 4,030/x
  3. Step 3: Cross multiply
    6,827.20x = 9,415.92 × 4,030
  4. Step 4: Simplify right side
    6,827.20x = 37,946,157.60
  5. Step 5: Solve for x
    x = 37,946,157.60/6,827.20
  6. Step 6: Final answer
    x = 5,558.08

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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.