Home / 6,895.02-10,342.84-1,965

Finding the Fourth Proportional to 6,895.02, 10,342.84 and 1,965

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Solution

The fourth proportional to 6,895.02, 10,342.84 and 1,965 is: 2,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.02 : 10,342.84 = 1,965 : x
  2. Step 2: Convert to fraction form
    6,895.02/10,342.84 = 1,965/x
  3. Step 3: Cross multiply
    6,895.02x = 10,342.84 × 1,965
  4. Step 4: Simplify right side
    6,895.02x = 20,323,680.60
  5. Step 5: Solve for x
    x = 20,323,680.60/6,895.02
  6. Step 6: Final answer
    x = 2,947.59

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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.