Home / 6,456.36-9,677.88-3,165

Finding the Fourth Proportional to 6,456.36, 9,677.88 and 3,165

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Solution

The fourth proportional to 6,456.36, 9,677.88 and 3,165 is: 4,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.36 : 9,677.88 = 3,165 : x
  2. Step 2: Convert to fraction form
    6,456.36/9,677.88 = 3,165/x
  3. Step 3: Cross multiply
    6,456.36x = 9,677.88 × 3,165
  4. Step 4: Simplify right side
    6,456.36x = 30,630,490.20
  5. Step 5: Solve for x
    x = 30,630,490.20/6,456.36
  6. Step 6: Final answer
    x = 4,744.24

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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.