Home / 5,018.28-6,924.93-2,780.03

Finding the Fourth Proportional to 5,018.28, 6,924.93 and 2,780.03

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Solution

The fourth proportional to 5,018.28, 6,924.93 and 2,780.03 is: 3,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.28 : 6,924.93 = 2,780.03 : x
  2. Step 2: Convert to fraction form
    5,018.28/6,924.93 = 2,780.03/x
  3. Step 3: Cross multiply
    5,018.28x = 6,924.93 × 2,780.03
  4. Step 4: Simplify right side
    5,018.28x = 19,251,513.15
  5. Step 5: Solve for x
    x = 19,251,513.15/5,018.28
  6. Step 6: Final answer
    x = 3,836.28

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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.