Home / 6,190.44-8,543.10-3,538.72

Finding the Fourth Proportional to 6,190.44, 8,543.10 and 3,538.72

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Solution

The fourth proportional to 6,190.44, 8,543.10 and 3,538.72 is: 4,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.44 : 8,543.10 = 3,538.72 : x
  2. Step 2: Convert to fraction form
    6,190.44/8,543.10 = 3,538.72/x
  3. Step 3: Cross multiply
    6,190.44x = 8,543.10 × 3,538.72
  4. Step 4: Simplify right side
    6,190.44x = 30,231,638.83
  5. Step 5: Solve for x
    x = 30,231,638.83/6,190.44
  6. Step 6: Final answer
    x = 4,883.60

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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.