Home / 6,449.71-8,900.58-3,761.03

Finding the Fourth Proportional to 6,449.71, 8,900.58 and 3,761.03

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Solution

The fourth proportional to 6,449.71, 8,900.58 and 3,761.03 is: 5,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.71 : 8,900.58 = 3,761.03 : x
  2. Step 2: Convert to fraction form
    6,449.71/8,900.58 = 3,761.03/x
  3. Step 3: Cross multiply
    6,449.71x = 8,900.58 × 3,761.03
  4. Step 4: Simplify right side
    6,449.71x = 33,475,384.75
  5. Step 5: Solve for x
    x = 33,475,384.75/6,449.71
  6. Step 6: Final answer
    x = 5,190.22

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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.