Home / 4,920.00-7,348.64-4,450.75

Finding the Fourth Proportional to 4,920.00, 7,348.64 and 4,450.75

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Solution

The fourth proportional to 4,920.00, 7,348.64 and 4,450.75 is: 6,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.00 : 7,348.64 = 4,450.75 : x
  2. Step 2: Convert to fraction form
    4,920.00/7,348.64 = 4,450.75/x
  3. Step 3: Cross multiply
    4,920.00x = 7,348.64 × 4,450.75
  4. Step 4: Simplify right side
    4,920.00x = 32,706,920.80
  5. Step 5: Solve for x
    x = 32,706,920.80/4,920.00
  6. Step 6: Final answer
    x = 6,647.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.