Home / 6,428.39-8,871.61-3,596.02

Finding the Fourth Proportional to 6,428.39, 8,871.61 and 3,596.02

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Solution

The fourth proportional to 6,428.39, 8,871.61 and 3,596.02 is: 4,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.39 : 8,871.61 = 3,596.02 : x
  2. Step 2: Convert to fraction form
    6,428.39/8,871.61 = 3,596.02/x
  3. Step 3: Cross multiply
    6,428.39x = 8,871.61 × 3,596.02
  4. Step 4: Simplify right side
    6,428.39x = 31,902,486.99
  5. Step 5: Solve for x
    x = 31,902,486.99/6,428.39
  6. Step 6: Final answer
    x = 4,962.75

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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.