Home / 5,020.86-7,527.08-3,171.44

Finding the Fourth Proportional to 5,020.86, 7,527.08 and 3,171.44

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Solution

The fourth proportional to 5,020.86, 7,527.08 and 3,171.44 is: 4,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.86 : 7,527.08 = 3,171.44 : x
  2. Step 2: Convert to fraction form
    5,020.86/7,527.08 = 3,171.44/x
  3. Step 3: Cross multiply
    5,020.86x = 7,527.08 × 3,171.44
  4. Step 4: Simplify right side
    5,020.86x = 23,871,682.60
  5. Step 5: Solve for x
    x = 23,871,682.60/5,020.86
  6. Step 6: Final answer
    x = 4,754.50

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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.