Home / 6,920.45-10,380.66-2,538.26

Finding the Fourth Proportional to 6,920.45, 10,380.66 and 2,538.26

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Solution

The fourth proportional to 6,920.45, 10,380.66 and 2,538.26 is: 3,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.45 : 10,380.66 = 2,538.26 : x
  2. Step 2: Convert to fraction form
    6,920.45/10,380.66 = 2,538.26/x
  3. Step 3: Cross multiply
    6,920.45x = 10,380.66 × 2,538.26
  4. Step 4: Simplify right side
    6,920.45x = 26,348,762.15
  5. Step 5: Solve for x
    x = 26,348,762.15/6,920.45
  6. Step 6: Final answer
    x = 3,807.38

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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.