Home / 5,540.80-8,309.51-1,842.06

Finding the Fourth Proportional to 5,540.80, 8,309.51 and 1,842.06

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Solution

The fourth proportional to 5,540.80, 8,309.51 and 1,842.06 is: 2,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.80 : 8,309.51 = 1,842.06 : x
  2. Step 2: Convert to fraction form
    5,540.80/8,309.51 = 1,842.06/x
  3. Step 3: Cross multiply
    5,540.80x = 8,309.51 × 1,842.06
  4. Step 4: Simplify right side
    5,540.80x = 15,306,615.99
  5. Step 5: Solve for x
    x = 15,306,615.99/5,540.80
  6. Step 6: Final answer
    x = 2,762.53

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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.