Home / 5,114.94-7,666.95-2,647.29

Finding the Fourth Proportional to 5,114.94, 7,666.95 and 2,647.29

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Solution

The fourth proportional to 5,114.94, 7,666.95 and 2,647.29 is: 3,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.94 : 7,666.95 = 2,647.29 : x
  2. Step 2: Convert to fraction form
    5,114.94/7,666.95 = 2,647.29/x
  3. Step 3: Cross multiply
    5,114.94x = 7,666.95 × 2,647.29
  4. Step 4: Simplify right side
    5,114.94x = 20,296,640.07
  5. Step 5: Solve for x
    x = 20,296,640.07/5,114.94
  6. Step 6: Final answer
    x = 3,968.11

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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.