Home / 5,133.51-7,084.21-2,895.40

Finding the Fourth Proportional to 5,133.51, 7,084.21 and 2,895.40

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Solution

The fourth proportional to 5,133.51, 7,084.21 and 2,895.40 is: 3,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.51 : 7,084.21 = 2,895.40 : x
  2. Step 2: Convert to fraction form
    5,133.51/7,084.21 = 2,895.40/x
  3. Step 3: Cross multiply
    5,133.51x = 7,084.21 × 2,895.40
  4. Step 4: Simplify right side
    5,133.51x = 20,511,648.60
  5. Step 5: Solve for x
    x = 20,511,648.60/5,133.51
  6. Step 6: Final answer
    x = 3,995.64

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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.