Home / 6,346.54-8,758.43-4,218.36

Finding the Fourth Proportional to 6,346.54, 8,758.43 and 4,218.36

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Solution

The fourth proportional to 6,346.54, 8,758.43 and 4,218.36 is: 5,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.54 : 8,758.43 = 4,218.36 : x
  2. Step 2: Convert to fraction form
    6,346.54/8,758.43 = 4,218.36/x
  3. Step 3: Cross multiply
    6,346.54x = 8,758.43 × 4,218.36
  4. Step 4: Simplify right side
    6,346.54x = 36,946,189.68
  5. Step 5: Solve for x
    x = 36,946,189.68/6,346.54
  6. Step 6: Final answer
    x = 5,821.47

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1.5x scale

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.