Home / 4,934.09-6,813.84-4,221.77

Finding the Fourth Proportional to 4,934.09, 6,813.84 and 4,221.77

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Solution

The fourth proportional to 4,934.09, 6,813.84 and 4,221.77 is: 5,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.09 : 6,813.84 = 4,221.77 : x
  2. Step 2: Convert to fraction form
    4,934.09/6,813.84 = 4,221.77/x
  3. Step 3: Cross multiply
    4,934.09x = 6,813.84 × 4,221.77
  4. Step 4: Simplify right side
    4,934.09x = 28,766,431.53
  5. Step 5: Solve for x
    x = 28,766,431.53/4,934.09
  6. Step 6: Final answer
    x = 5,830.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.