Home / 6,225.50-8,591.37-3,431.18

Finding the Fourth Proportional to 6,225.50, 8,591.37 and 3,431.18

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Solution

The fourth proportional to 6,225.50, 8,591.37 and 3,431.18 is: 4,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.50 : 8,591.37 = 3,431.18 : x
  2. Step 2: Convert to fraction form
    6,225.50/8,591.37 = 3,431.18/x
  3. Step 3: Cross multiply
    6,225.50x = 8,591.37 × 3,431.18
  4. Step 4: Simplify right side
    6,225.50x = 29,478,536.92
  5. Step 5: Solve for x
    x = 29,478,536.92/6,225.50
  6. Step 6: Final answer
    x = 4,735.13

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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.