Home / 6,042.21-8,338.67-3,389.87

Finding the Fourth Proportional to 6,042.21, 8,338.67 and 3,389.87

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Solution

The fourth proportional to 6,042.21, 8,338.67 and 3,389.87 is: 4,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.21 : 8,338.67 = 3,389.87 : x
  2. Step 2: Convert to fraction form
    6,042.21/8,338.67 = 3,389.87/x
  3. Step 3: Cross multiply
    6,042.21x = 8,338.67 × 3,389.87
  4. Step 4: Simplify right side
    6,042.21x = 28,266,948.63
  5. Step 5: Solve for x
    x = 28,266,948.63/6,042.21
  6. Step 6: Final answer
    x = 4,678.25

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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.