Home / 5,047.60-7,568.70-2,122.60

Finding the Fourth Proportional to 5,047.60, 7,568.70 and 2,122.60

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Solution

The fourth proportional to 5,047.60, 7,568.70 and 2,122.60 is: 3,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.60 : 7,568.70 = 2,122.60 : x
  2. Step 2: Convert to fraction form
    5,047.60/7,568.70 = 2,122.60/x
  3. Step 3: Cross multiply
    5,047.60x = 7,568.70 × 2,122.60
  4. Step 4: Simplify right side
    5,047.60x = 16,065,322.62
  5. Step 5: Solve for x
    x = 16,065,322.62/5,047.60
  6. Step 6: Final answer
    x = 3,182.76

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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.