Home / 4,890.68-7,338.38-2,425.72

Finding the Fourth Proportional to 4,890.68, 7,338.38 and 2,425.72

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Solution

The fourth proportional to 4,890.68, 7,338.38 and 2,425.72 is: 3,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.68 : 7,338.38 = 2,425.72 : x
  2. Step 2: Convert to fraction form
    4,890.68/7,338.38 = 2,425.72/x
  3. Step 3: Cross multiply
    4,890.68x = 7,338.38 × 2,425.72
  4. Step 4: Simplify right side
    4,890.68x = 17,800,855.13
  5. Step 5: Solve for x
    x = 17,800,855.13/4,890.68
  6. Step 6: Final answer
    x = 3,639.75

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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.