Home / 6,190.76-8,543.26-3,396.28

Finding the Fourth Proportional to 6,190.76, 8,543.26 and 3,396.28

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Solution

The fourth proportional to 6,190.76, 8,543.26 and 3,396.28 is: 4,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.76 : 8,543.26 = 3,396.28 : x
  2. Step 2: Convert to fraction form
    6,190.76/8,543.26 = 3,396.28/x
  3. Step 3: Cross multiply
    6,190.76x = 8,543.26 × 3,396.28
  4. Step 4: Simplify right side
    6,190.76x = 29,015,303.07
  5. Step 5: Solve for x
    x = 29,015,303.07/6,190.76
  6. Step 6: Final answer
    x = 4,686.87

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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.