Home / 6,190.70-8,543.16-3,674.04

Finding the Fourth Proportional to 6,190.70, 8,543.16 and 3,674.04

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Solution

The fourth proportional to 6,190.70, 8,543.16 and 3,674.04 is: 5,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.70 : 8,543.16 = 3,674.04 : x
  2. Step 2: Convert to fraction form
    6,190.70/8,543.16 = 3,674.04/x
  3. Step 3: Cross multiply
    6,190.70x = 8,543.16 × 3,674.04
  4. Step 4: Simplify right side
    6,190.70x = 31,387,911.57
  5. Step 5: Solve for x
    x = 31,387,911.57/6,190.70
  6. Step 6: Final answer
    x = 5,070.17

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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.