Home / 5,309.46-7,969.77-2,538.45

Finding the Fourth Proportional to 5,309.46, 7,969.77 and 2,538.45

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Solution

The fourth proportional to 5,309.46, 7,969.77 and 2,538.45 is: 3,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.46 : 7,969.77 = 2,538.45 : x
  2. Step 2: Convert to fraction form
    5,309.46/7,969.77 = 2,538.45/x
  3. Step 3: Cross multiply
    5,309.46x = 7,969.77 × 2,538.45
  4. Step 4: Simplify right side
    5,309.46x = 20,230,862.66
  5. Step 5: Solve for x
    x = 20,230,862.66/5,309.46
  6. Step 6: Final answer
    x = 3,810.34

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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.