Home / 6,540.50-9,810.97-1,860.77

Finding the Fourth Proportional to 6,540.50, 9,810.97 and 1,860.77

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Solution

The fourth proportional to 6,540.50, 9,810.97 and 1,860.77 is: 2,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.50 : 9,810.97 = 1,860.77 : x
  2. Step 2: Convert to fraction form
    6,540.50/9,810.97 = 1,860.77/x
  3. Step 3: Cross multiply
    6,540.50x = 9,810.97 × 1,860.77
  4. Step 4: Simplify right side
    6,540.50x = 18,255,988.99
  5. Step 5: Solve for x
    x = 18,255,988.99/6,540.50
  6. Step 6: Final answer
    x = 2,791.22

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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.