Home / 6,190.21-8,543.59-3,673.71

Finding the Fourth Proportional to 6,190.21, 8,543.59 and 3,673.71

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Solution

The fourth proportional to 6,190.21, 8,543.59 and 3,673.71 is: 5,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.21 : 8,543.59 = 3,673.71 : x
  2. Step 2: Convert to fraction form
    6,190.21/8,543.59 = 3,673.71/x
  3. Step 3: Cross multiply
    6,190.21x = 8,543.59 × 3,673.71
  4. Step 4: Simplify right side
    6,190.21x = 31,386,653.65
  5. Step 5: Solve for x
    x = 31,386,653.65/6,190.21
  6. Step 6: Final answer
    x = 5,070.37

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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.