Home / 6,909.02-10,362.05-1,977.33

Finding the Fourth Proportional to 6,909.02, 10,362.05 and 1,977.33

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Solution

The fourth proportional to 6,909.02, 10,362.05 and 1,977.33 is: 2,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.02 : 10,362.05 = 1,977.33 : x
  2. Step 2: Convert to fraction form
    6,909.02/10,362.05 = 1,977.33/x
  3. Step 3: Cross multiply
    6,909.02x = 10,362.05 × 1,977.33
  4. Step 4: Simplify right side
    6,909.02x = 20,489,182.44
  5. Step 5: Solve for x
    x = 20,489,182.44/6,909.02
  6. Step 6: Final answer
    x = 2,965.57

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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.