Home / 6,186.46-8,539.80-4,300.78

Finding the Fourth Proportional to 6,186.46, 8,539.80 and 4,300.78

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Solution

The fourth proportional to 6,186.46, 8,539.80 and 4,300.78 is: 5,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.46 : 8,539.80 = 4,300.78 : x
  2. Step 2: Convert to fraction form
    6,186.46/8,539.80 = 4,300.78/x
  3. Step 3: Cross multiply
    6,186.46x = 8,539.80 × 4,300.78
  4. Step 4: Simplify right side
    6,186.46x = 36,727,801.04
  5. Step 5: Solve for x
    x = 36,727,801.04/6,186.46
  6. Step 6: Final answer
    x = 5,936.80

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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.