Home / 4,520.09-6,781.35-4,086.33

Finding the Fourth Proportional to 4,520.09, 6,781.35 and 4,086.33

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Solution

The fourth proportional to 4,520.09, 6,781.35 and 4,086.33 is: 6,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.09 : 6,781.35 = 4,086.33 : x
  2. Step 2: Convert to fraction form
    4,520.09/6,781.35 = 4,086.33/x
  3. Step 3: Cross multiply
    4,520.09x = 6,781.35 × 4,086.33
  4. Step 4: Simplify right side
    4,520.09x = 27,710,833.95
  5. Step 5: Solve for x
    x = 27,710,833.95/4,520.09
  6. Step 6: Final answer
    x = 6,130.60

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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.