Home / 4,922.40-7,378.76-2,453.52

Finding the Fourth Proportional to 4,922.40, 7,378.76 and 2,453.52

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Solution

The fourth proportional to 4,922.40, 7,378.76 and 2,453.52 is: 3,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.40 : 7,378.76 = 2,453.52 : x
  2. Step 2: Convert to fraction form
    4,922.40/7,378.76 = 2,453.52/x
  3. Step 3: Cross multiply
    4,922.40x = 7,378.76 × 2,453.52
  4. Step 4: Simplify right side
    4,922.40x = 18,103,935.24
  5. Step 5: Solve for x
    x = 18,103,935.24/4,922.40
  6. Step 6: Final answer
    x = 3,677.87

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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.