Home / 5,043.60-7,568.64-2,122.20

Finding the Fourth Proportional to 5,043.60, 7,568.64 and 2,122.20

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Solution

The fourth proportional to 5,043.60, 7,568.64 and 2,122.20 is: 3,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.60 : 7,568.64 = 2,122.20 : x
  2. Step 2: Convert to fraction form
    5,043.60/7,568.64 = 2,122.20/x
  3. Step 3: Cross multiply
    5,043.60x = 7,568.64 × 2,122.20
  4. Step 4: Simplify right side
    5,043.60x = 16,062,167.81
  5. Step 5: Solve for x
    x = 16,062,167.81/5,043.60
  6. Step 6: Final answer
    x = 3,184.66

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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.