Home / 6,246.21-8,618.43-3,658.65

Finding the Fourth Proportional to 6,246.21, 8,618.43 and 3,658.65

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Solution

The fourth proportional to 6,246.21, 8,618.43 and 3,658.65 is: 5,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.21 : 8,618.43 = 3,658.65 : x
  2. Step 2: Convert to fraction form
    6,246.21/8,618.43 = 3,658.65/x
  3. Step 3: Cross multiply
    6,246.21x = 8,618.43 × 3,658.65
  4. Step 4: Simplify right side
    6,246.21x = 31,531,818.92
  5. Step 5: Solve for x
    x = 31,531,818.92/6,246.21
  6. Step 6: Final answer
    x = 5,048.15

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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.