Home / 6,042.36-8,338.74-3,390.60

Finding the Fourth Proportional to 6,042.36, 8,338.74 and 3,390.60

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Solution

The fourth proportional to 6,042.36, 8,338.74 and 3,390.60 is: 4,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.36 : 8,338.74 = 3,390.60 : x
  2. Step 2: Convert to fraction form
    6,042.36/8,338.74 = 3,390.60/x
  3. Step 3: Cross multiply
    6,042.36x = 8,338.74 × 3,390.60
  4. Step 4: Simplify right side
    6,042.36x = 28,273,331.84
  5. Step 5: Solve for x
    x = 28,273,331.84/6,042.36
  6. Step 6: Final answer
    x = 4,679.19

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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.