Home / 6,580.14-9,870.20-1,900.41

Finding the Fourth Proportional to 6,580.14, 9,870.20 and 1,900.41

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Solution

The fourth proportional to 6,580.14, 9,870.20 and 1,900.41 is: 2,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.14 : 9,870.20 = 1,900.41 : x
  2. Step 2: Convert to fraction form
    6,580.14/9,870.20 = 1,900.41/x
  3. Step 3: Cross multiply
    6,580.14x = 9,870.20 × 1,900.41
  4. Step 4: Simplify right side
    6,580.14x = 18,757,453.60
  5. Step 5: Solve for x
    x = 18,757,453.60/6,580.14
  6. Step 6: Final answer
    x = 2,850.62

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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.