Home / 4,992.28-7,488.48-2,068.72

Finding the Fourth Proportional to 4,992.28, 7,488.48 and 2,068.72

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Solution

The fourth proportional to 4,992.28, 7,488.48 and 2,068.72 is: 3,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.28 : 7,488.48 = 2,068.72 : x
  2. Step 2: Convert to fraction form
    4,992.28/7,488.48 = 2,068.72/x
  3. Step 3: Cross multiply
    4,992.28x = 7,488.48 × 2,068.72
  4. Step 4: Simplify right side
    4,992.28x = 15,491,568.35
  5. Step 5: Solve for x
    x = 15,491,568.35/4,992.28
  6. Step 6: Final answer
    x = 3,103.10

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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.