Home / 4,614.78-6,920.73-1,326.99

Finding the Fourth Proportional to 4,614.78, 6,920.73 and 1,326.99

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Solution

The fourth proportional to 4,614.78, 6,920.73 and 1,326.99 is: 1,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.78 : 6,920.73 = 1,326.99 : x
  2. Step 2: Convert to fraction form
    4,614.78/6,920.73 = 1,326.99/x
  3. Step 3: Cross multiply
    4,614.78x = 6,920.73 × 1,326.99
  4. Step 4: Simplify right side
    4,614.78x = 9,183,739.50
  5. Step 5: Solve for x
    x = 9,183,739.50/4,614.78
  6. Step 6: Final answer
    x = 1,990.07

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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.