Home / 6,455.70-9,684.63-3,168.36

Finding the Fourth Proportional to 6,455.70, 9,684.63 and 3,168.36

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Solution

The fourth proportional to 6,455.70, 9,684.63 and 3,168.36 is: 4,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.70 : 9,684.63 = 3,168.36 : x
  2. Step 2: Convert to fraction form
    6,455.70/9,684.63 = 3,168.36/x
  3. Step 3: Cross multiply
    6,455.70x = 9,684.63 × 3,168.36
  4. Step 4: Simplify right side
    6,455.70x = 30,684,394.31
  5. Step 5: Solve for x
    x = 30,684,394.31/6,455.70
  6. Step 6: Final answer
    x = 4,753.07

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1.5x scale

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.