Home / 6,839.02-9,436.08-4,185.46

Finding the Fourth Proportional to 6,839.02, 9,436.08 and 4,185.46

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Solution

The fourth proportional to 6,839.02, 9,436.08 and 4,185.46 is: 5,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.02 : 9,436.08 = 4,185.46 : x
  2. Step 2: Convert to fraction form
    6,839.02/9,436.08 = 4,185.46/x
  3. Step 3: Cross multiply
    6,839.02x = 9,436.08 × 4,185.46
  4. Step 4: Simplify right side
    6,839.02x = 39,494,335.40
  5. Step 5: Solve for x
    x = 39,494,335.40/6,839.02
  6. Step 6: Final answer
    x = 5,774.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.