Home / 6,212.78-8,574.38-3,561.04

Finding the Fourth Proportional to 6,212.78, 8,574.38 and 3,561.04

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Solution

The fourth proportional to 6,212.78, 8,574.38 and 3,561.04 is: 4,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.78 : 8,574.38 = 3,561.04 : x
  2. Step 2: Convert to fraction form
    6,212.78/8,574.38 = 3,561.04/x
  3. Step 3: Cross multiply
    6,212.78x = 8,574.38 × 3,561.04
  4. Step 4: Simplify right side
    6,212.78x = 30,533,710.16
  5. Step 5: Solve for x
    x = 30,533,710.16/6,212.78
  6. Step 6: Final answer
    x = 4,914.66

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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.