Home / 4,920.50-7,381.12-1,633.52

Finding the Fourth Proportional to 4,920.50, 7,381.12 and 1,633.52

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Solution

The fourth proportional to 4,920.50, 7,381.12 and 1,633.52 is: 2,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.50 : 7,381.12 = 1,633.52 : x
  2. Step 2: Convert to fraction form
    4,920.50/7,381.12 = 1,633.52/x
  3. Step 3: Cross multiply
    4,920.50x = 7,381.12 × 1,633.52
  4. Step 4: Simplify right side
    4,920.50x = 12,057,207.14
  5. Step 5: Solve for x
    x = 12,057,207.14/4,920.50
  6. Step 6: Final answer
    x = 2,450.40

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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.