Home / 5,141.19-7,094.82-2,783.28

Finding the Fourth Proportional to 5,141.19, 7,094.82 and 2,783.28

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Solution

The fourth proportional to 5,141.19, 7,094.82 and 2,783.28 is: 3,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.19 : 7,094.82 = 2,783.28 : x
  2. Step 2: Convert to fraction form
    5,141.19/7,094.82 = 2,783.28/x
  3. Step 3: Cross multiply
    5,141.19x = 7,094.82 × 2,783.28
  4. Step 4: Simplify right side
    5,141.19x = 19,746,870.61
  5. Step 5: Solve for x
    x = 19,746,870.61/5,141.19
  6. Step 6: Final answer
    x = 3,840.91

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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.