Home / 4,926.28-7,390.38-1,639.48

Finding the Fourth Proportional to 4,926.28, 7,390.38 and 1,639.48

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Solution

The fourth proportional to 4,926.28, 7,390.38 and 1,639.48 is: 2,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.28 : 7,390.38 = 1,639.48 : x
  2. Step 2: Convert to fraction form
    4,926.28/7,390.38 = 1,639.48/x
  3. Step 3: Cross multiply
    4,926.28x = 7,390.38 × 1,639.48
  4. Step 4: Simplify right side
    4,926.28x = 12,116,380.20
  5. Step 5: Solve for x
    x = 12,116,380.20/4,926.28
  6. Step 6: Final answer
    x = 2,459.54

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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.