Home / 6,428.12-9,643.59-2,733.50

Finding the Fourth Proportional to 6,428.12, 9,643.59 and 2,733.50

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Solution

The fourth proportional to 6,428.12, 9,643.59 and 2,733.50 is: 4,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.12 : 9,643.59 = 2,733.50 : x
  2. Step 2: Convert to fraction form
    6,428.12/9,643.59 = 2,733.50/x
  3. Step 3: Cross multiply
    6,428.12x = 9,643.59 × 2,733.50
  4. Step 4: Simplify right side
    6,428.12x = 26,360,777.37
  5. Step 5: Solve for x
    x = 26,360,777.37/6,428.12
  6. Step 6: Final answer
    x = 4,100.86

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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.