Home / 5,084.40-7,625.37-1,386.64

Finding the Fourth Proportional to 5,084.40, 7,625.37 and 1,386.64

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Solution

The fourth proportional to 5,084.40, 7,625.37 and 1,386.64 is: 2,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.40 : 7,625.37 = 1,386.64 : x
  2. Step 2: Convert to fraction form
    5,084.40/7,625.37 = 1,386.64/x
  3. Step 3: Cross multiply
    5,084.40x = 7,625.37 × 1,386.64
  4. Step 4: Simplify right side
    5,084.40x = 10,573,667.53
  5. Step 5: Solve for x
    x = 10,573,667.53/5,084.40
  6. Step 6: Final answer
    x = 2,079.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.