Home / 6,428.30-9,643.86-2,733.69

Finding the Fourth Proportional to 6,428.30, 9,643.86 and 2,733.69

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Solution

The fourth proportional to 6,428.30, 9,643.86 and 2,733.69 is: 4,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.30 : 9,643.86 = 2,733.69 : x
  2. Step 2: Convert to fraction form
    6,428.30/9,643.86 = 2,733.69/x
  3. Step 3: Cross multiply
    6,428.30x = 9,643.86 × 2,733.69
  4. Step 4: Simplify right side
    6,428.30x = 26,363,323.64
  5. Step 5: Solve for x
    x = 26,363,323.64/6,428.30
  6. Step 6: Final answer
    x = 4,101.13

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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.