Home / 5,207.96-7,808.06-1,920.44

Finding the Fourth Proportional to 5,207.96, 7,808.06 and 1,920.44

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Solution

The fourth proportional to 5,207.96, 7,808.06 and 1,920.44 is: 2,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.96 : 7,808.06 = 1,920.44 : x
  2. Step 2: Convert to fraction form
    5,207.96/7,808.06 = 1,920.44/x
  3. Step 3: Cross multiply
    5,207.96x = 7,808.06 × 1,920.44
  4. Step 4: Simplify right side
    5,207.96x = 14,994,935.07
  5. Step 5: Solve for x
    x = 14,994,935.07/5,207.96
  6. Step 6: Final answer
    x = 2,879.23

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1.5x scale

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.