Home / 4,270.36-6,409.54-2,630.12

Finding the Fourth Proportional to 4,270.36, 6,409.54 and 2,630.12

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Solution

The fourth proportional to 4,270.36, 6,409.54 and 2,630.12 is: 3,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.36 : 6,409.54 = 2,630.12 : x
  2. Step 2: Convert to fraction form
    4,270.36/6,409.54 = 2,630.12/x
  3. Step 3: Cross multiply
    4,270.36x = 6,409.54 × 2,630.12
  4. Step 4: Simplify right side
    4,270.36x = 16,857,859.34
  5. Step 5: Solve for x
    x = 16,857,859.34/4,270.36
  6. Step 6: Final answer
    x = 3,947.64

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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.