Home / 4,926.54-7,389.83-1,639.86

Finding the Fourth Proportional to 4,926.54, 7,389.83 and 1,639.86

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Solution

The fourth proportional to 4,926.54, 7,389.83 and 1,639.86 is: 2,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.54 : 7,389.83 = 1,639.86 : x
  2. Step 2: Convert to fraction form
    4,926.54/7,389.83 = 1,639.86/x
  3. Step 3: Cross multiply
    4,926.54x = 7,389.83 × 1,639.86
  4. Step 4: Simplify right side
    4,926.54x = 12,118,278.42
  5. Step 5: Solve for x
    x = 12,118,278.42/4,926.54
  6. Step 6: Final answer
    x = 2,459.79

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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.