Home / 5,391.09-8,086.65-1,495.21

Finding the Fourth Proportional to 5,391.09, 8,086.65 and 1,495.21

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Solution

The fourth proportional to 5,391.09, 8,086.65 and 1,495.21 is: 2,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.09 : 8,086.65 = 1,495.21 : x
  2. Step 2: Convert to fraction form
    5,391.09/8,086.65 = 1,495.21/x
  3. Step 3: Cross multiply
    5,391.09x = 8,086.65 × 1,495.21
  4. Step 4: Simplify right side
    5,391.09x = 12,091,239.95
  5. Step 5: Solve for x
    x = 12,091,239.95/5,391.09
  6. Step 6: Final answer
    x = 2,242.82

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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.