Home / 6,920.16-10,380.28-1,726.04

Finding the Fourth Proportional to 6,920.16, 10,380.28 and 1,726.04

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Solution

The fourth proportional to 6,920.16, 10,380.28 and 1,726.04 is: 2,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.16 : 10,380.28 = 1,726.04 : x
  2. Step 2: Convert to fraction form
    6,920.16/10,380.28 = 1,726.04/x
  3. Step 3: Cross multiply
    6,920.16x = 10,380.28 × 1,726.04
  4. Step 4: Simplify right side
    6,920.16x = 17,916,726.59
  5. Step 5: Solve for x
    x = 17,916,726.59/6,920.16
  6. Step 6: Final answer
    x = 2,589.06

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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.