Home / 4,580.40-6,858.12-3,190.80

Finding the Fourth Proportional to 4,580.40, 6,858.12 and 3,190.80

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Solution

The fourth proportional to 4,580.40, 6,858.12 and 3,190.80 is: 4,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.40 : 6,858.12 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    4,580.40/6,858.12 = 3,190.80/x
  3. Step 3: Cross multiply
    4,580.40x = 6,858.12 × 3,190.80
  4. Step 4: Simplify right side
    4,580.40x = 21,882,889.30
  5. Step 5: Solve for x
    x = 21,882,889.30/4,580.40
  6. Step 6: Final answer
    x = 4,777.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.