Home / 4,727.64-7,086.08-3,679.90

Finding the Fourth Proportional to 4,727.64, 7,086.08 and 3,679.90

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Solution

The fourth proportional to 4,727.64, 7,086.08 and 3,679.90 is: 5,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.64 : 7,086.08 = 3,679.90 : x
  2. Step 2: Convert to fraction form
    4,727.64/7,086.08 = 3,679.90/x
  3. Step 3: Cross multiply
    4,727.64x = 7,086.08 × 3,679.90
  4. Step 4: Simplify right side
    4,727.64x = 26,076,065.79
  5. Step 5: Solve for x
    x = 26,076,065.79/4,727.64
  6. Step 6: Final answer
    x = 5,515.66

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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.