Home / 5,207.95-7,811.93-2,610.28

Finding the Fourth Proportional to 5,207.95, 7,811.93 and 2,610.28

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Solution

The fourth proportional to 5,207.95, 7,811.93 and 2,610.28 is: 3,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.95 : 7,811.93 = 2,610.28 : x
  2. Step 2: Convert to fraction form
    5,207.95/7,811.93 = 2,610.28/x
  3. Step 3: Cross multiply
    5,207.95x = 7,811.93 × 2,610.28
  4. Step 4: Simplify right side
    5,207.95x = 20,391,324.64
  5. Step 5: Solve for x
    x = 20,391,324.64/5,207.95
  6. Step 6: Final answer
    x = 3,915.42

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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.