Home / 5,018.14-6,924.72-2,780.11

Finding the Fourth Proportional to 5,018.14, 6,924.72 and 2,780.11

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Solution

The fourth proportional to 5,018.14, 6,924.72 and 2,780.11 is: 3,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.14 : 6,924.72 = 2,780.11 : x
  2. Step 2: Convert to fraction form
    5,018.14/6,924.72 = 2,780.11/x
  3. Step 3: Cross multiply
    5,018.14x = 6,924.72 × 2,780.11
  4. Step 4: Simplify right side
    5,018.14x = 19,251,483.32
  5. Step 5: Solve for x
    x = 19,251,483.32/5,018.14
  6. Step 6: Final answer
    x = 3,836.38

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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.