Home / 6,042.70-8,338.94-3,390.13

Finding the Fourth Proportional to 6,042.70, 8,338.94 and 3,390.13

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Solution

The fourth proportional to 6,042.70, 8,338.94 and 3,390.13 is: 4,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.70 : 8,338.94 = 3,390.13 : x
  2. Step 2: Convert to fraction form
    6,042.70/8,338.94 = 3,390.13/x
  3. Step 3: Cross multiply
    6,042.70x = 8,338.94 × 3,390.13
  4. Step 4: Simplify right side
    6,042.70x = 28,270,090.66
  5. Step 5: Solve for x
    x = 28,270,090.66/6,042.70
  6. Step 6: Final answer
    x = 4,678.39

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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.