Home / 4,939.16-7,411.66-1,821.35

Finding the Fourth Proportional to 4,939.16, 7,411.66 and 1,821.35

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Solution

The fourth proportional to 4,939.16, 7,411.66 and 1,821.35 is: 2,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.16 : 7,411.66 = 1,821.35 : x
  2. Step 2: Convert to fraction form
    4,939.16/7,411.66 = 1,821.35/x
  3. Step 3: Cross multiply
    4,939.16x = 7,411.66 × 1,821.35
  4. Step 4: Simplify right side
    4,939.16x = 13,499,226.94
  5. Step 5: Solve for x
    x = 13,499,226.94/4,939.16
  6. Step 6: Final answer
    x = 2,733.10

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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.