Home / 6,042.45-8,338.60-3,389.86

Finding the Fourth Proportional to 6,042.45, 8,338.60 and 3,389.86

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Solution

The fourth proportional to 6,042.45, 8,338.60 and 3,389.86 is: 4,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.45 : 8,338.60 = 3,389.86 : x
  2. Step 2: Convert to fraction form
    6,042.45/8,338.60 = 3,389.86/x
  3. Step 3: Cross multiply
    6,042.45x = 8,338.60 × 3,389.86
  4. Step 4: Simplify right side
    6,042.45x = 28,266,686.60
  5. Step 5: Solve for x
    x = 28,266,686.60/6,042.45
  6. Step 6: Final answer
    x = 4,678.02

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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.