Home / 6,505.45-9,754.52-4,428.25

Finding the Fourth Proportional to 6,505.45, 9,754.52 and 4,428.25

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Solution

The fourth proportional to 6,505.45, 9,754.52 and 4,428.25 is: 6,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.45 : 9,754.52 = 4,428.25 : x
  2. Step 2: Convert to fraction form
    6,505.45/9,754.52 = 4,428.25/x
  3. Step 3: Cross multiply
    6,505.45x = 9,754.52 × 4,428.25
  4. Step 4: Simplify right side
    6,505.45x = 43,195,406.66
  5. Step 5: Solve for x
    x = 43,195,406.66/6,505.45
  6. Step 6: Final answer
    x = 6,639.88

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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.