Home / 4,926.83-7,389.12-1,416.79

Finding the Fourth Proportional to 4,926.83, 7,389.12 and 1,416.79

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Solution

The fourth proportional to 4,926.83, 7,389.12 and 1,416.79 is: 2,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.83 : 7,389.12 = 1,416.79 : x
  2. Step 2: Convert to fraction form
    4,926.83/7,389.12 = 1,416.79/x
  3. Step 3: Cross multiply
    4,926.83x = 7,389.12 × 1,416.79
  4. Step 4: Simplify right side
    4,926.83x = 10,468,845.87
  5. Step 5: Solve for x
    x = 10,468,845.87/4,926.83
  6. Step 6: Final answer
    x = 2,124.87

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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.