Home / 6,895.68-10,342.80-1,965

Finding the Fourth Proportional to 6,895.68, 10,342.80 and 1,965

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Solution

The fourth proportional to 6,895.68, 10,342.80 and 1,965 is: 2,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.68 : 10,342.80 = 1,965 : x
  2. Step 2: Convert to fraction form
    6,895.68/10,342.80 = 1,965/x
  3. Step 3: Cross multiply
    6,895.68x = 10,342.80 × 1,965
  4. Step 4: Simplify right side
    6,895.68x = 20,323,602
  5. Step 5: Solve for x
    x = 20,323,602/6,895.68
  6. Step 6: Final answer
    x = 2,947.29

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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.