Home / 6,428.06-9,643.58-2,730.41

Finding the Fourth Proportional to 6,428.06, 9,643.58 and 2,730.41

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Solution

The fourth proportional to 6,428.06, 9,643.58 and 2,730.41 is: 4,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.06 : 9,643.58 = 2,730.41 : x
  2. Step 2: Convert to fraction form
    6,428.06/9,643.58 = 2,730.41/x
  3. Step 3: Cross multiply
    6,428.06x = 9,643.58 × 2,730.41
  4. Step 4: Simplify right side
    6,428.06x = 26,330,927.27
  5. Step 5: Solve for x
    x = 26,330,927.27/6,428.06
  6. Step 6: Final answer
    x = 4,096.25

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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.