Home / 7,627.21-11,432.61-4,986.41

Finding the Fourth Proportional to 7,627.21, 11,432.61 and 4,986.41

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Solution

The fourth proportional to 7,627.21, 11,432.61 and 4,986.41 is: 7,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.21 : 11,432.61 = 4,986.41 : x
  2. Step 2: Convert to fraction form
    7,627.21/11,432.61 = 4,986.41/x
  3. Step 3: Cross multiply
    7,627.21x = 11,432.61 × 4,986.41
  4. Step 4: Simplify right side
    7,627.21x = 57,007,680.83
  5. Step 5: Solve for x
    x = 57,007,680.83/7,627.21
  6. Step 6: Final answer
    x = 7,474.25

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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.