Home / 5,112.99-7,666.92-2,647.08

Finding the Fourth Proportional to 5,112.99, 7,666.92 and 2,647.08

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Solution

The fourth proportional to 5,112.99, 7,666.92 and 2,647.08 is: 3,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.99 : 7,666.92 = 2,647.08 : x
  2. Step 2: Convert to fraction form
    5,112.99/7,666.92 = 2,647.08/x
  3. Step 3: Cross multiply
    5,112.99x = 7,666.92 × 2,647.08
  4. Step 4: Simplify right side
    5,112.99x = 20,294,950.59
  5. Step 5: Solve for x
    x = 20,294,950.59/5,112.99
  6. Step 6: Final answer
    x = 3,969.29

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1.5x scale

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.