Home / 4,225.12-6,338.08-1,628

Finding the Fourth Proportional to 4,225.12, 6,338.08 and 1,628

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Solution

The fourth proportional to 4,225.12, 6,338.08 and 1,628 is: 2,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.12 : 6,338.08 = 1,628 : x
  2. Step 2: Convert to fraction form
    4,225.12/6,338.08 = 1,628/x
  3. Step 3: Cross multiply
    4,225.12x = 6,338.08 × 1,628
  4. Step 4: Simplify right side
    4,225.12x = 10,318,394.24
  5. Step 5: Solve for x
    x = 10,318,394.24/4,225.12
  6. Step 6: Final answer
    x = 2,442.15

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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.