Home / 5,019.28-6,926.51-2,780.84

Finding the Fourth Proportional to 5,019.28, 6,926.51 and 2,780.84

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Solution

The fourth proportional to 5,019.28, 6,926.51 and 2,780.84 is: 3,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.28 : 6,926.51 = 2,780.84 : x
  2. Step 2: Convert to fraction form
    5,019.28/6,926.51 = 2,780.84/x
  3. Step 3: Cross multiply
    5,019.28x = 6,926.51 × 2,780.84
  4. Step 4: Simplify right side
    5,019.28x = 19,261,540.34
  5. Step 5: Solve for x
    x = 19,261,540.34/5,019.28
  6. Step 6: Final answer
    x = 3,837.51

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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.