Home / 4,920.90-7,379.16-1,799.96

Finding the Fourth Proportional to 4,920.90, 7,379.16 and 1,799.96

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Solution

The fourth proportional to 4,920.90, 7,379.16 and 1,799.96 is: 2,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.90 : 7,379.16 = 1,799.96 : x
  2. Step 2: Convert to fraction form
    4,920.90/7,379.16 = 1,799.96/x
  3. Step 3: Cross multiply
    4,920.90x = 7,379.16 × 1,799.96
  4. Step 4: Simplify right side
    4,920.90x = 13,282,192.83
  5. Step 5: Solve for x
    x = 13,282,192.83/4,920.90
  6. Step 6: Final answer
    x = 2,699.14

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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.