Home / 4,920.96-7,382.58-1,633.98

Finding the Fourth Proportional to 4,920.96, 7,382.58 and 1,633.98

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Solution

The fourth proportional to 4,920.96, 7,382.58 and 1,633.98 is: 2,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.96 : 7,382.58 = 1,633.98 : x
  2. Step 2: Convert to fraction form
    4,920.96/7,382.58 = 1,633.98/x
  3. Step 3: Cross multiply
    4,920.96x = 7,382.58 × 1,633.98
  4. Step 4: Simplify right side
    4,920.96x = 12,062,988.07
  5. Step 5: Solve for x
    x = 12,062,988.07/4,920.96
  6. Step 6: Final answer
    x = 2,451.35

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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.