Home / 6,920.13-10,380.24-1,726.05

Finding the Fourth Proportional to 6,920.13, 10,380.24 and 1,726.05

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Solution

The fourth proportional to 6,920.13, 10,380.24 and 1,726.05 is: 2,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.13 : 10,380.24 = 1,726.05 : x
  2. Step 2: Convert to fraction form
    6,920.13/10,380.24 = 1,726.05/x
  3. Step 3: Cross multiply
    6,920.13x = 10,380.24 × 1,726.05
  4. Step 4: Simplify right side
    6,920.13x = 17,916,813.25
  5. Step 5: Solve for x
    x = 17,916,813.25/6,920.13
  6. Step 6: Final answer
    x = 2,589.09

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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.