Home / 5,019.09-6,926.26-2,780.95

Finding the Fourth Proportional to 5,019.09, 6,926.26 and 2,780.95

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Solution

The fourth proportional to 5,019.09, 6,926.26 and 2,780.95 is: 3,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.09 : 6,926.26 = 2,780.95 : x
  2. Step 2: Convert to fraction form
    5,019.09/6,926.26 = 2,780.95/x
  3. Step 3: Cross multiply
    5,019.09x = 6,926.26 × 2,780.95
  4. Step 4: Simplify right side
    5,019.09x = 19,261,582.75
  5. Step 5: Solve for x
    x = 19,261,582.75/5,019.09
  6. Step 6: Final answer
    x = 3,837.66

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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.