Home / 5,160.94-7,122.06-2,803.04

Finding the Fourth Proportional to 5,160.94, 7,122.06 and 2,803.04

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Solution

The fourth proportional to 5,160.94, 7,122.06 and 2,803.04 is: 3,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.94 : 7,122.06 = 2,803.04 : x
  2. Step 2: Convert to fraction form
    5,160.94/7,122.06 = 2,803.04/x
  3. Step 3: Cross multiply
    5,160.94x = 7,122.06 × 2,803.04
  4. Step 4: Simplify right side
    5,160.94x = 19,963,419.06
  5. Step 5: Solve for x
    x = 19,963,419.06/5,160.94
  6. Step 6: Final answer
    x = 3,868.17

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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.