Home / 8,540.09-12,810.52-2,616.55

Finding the Fourth Proportional to 8,540.09, 12,810.52 and 2,616.55

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Solution

The fourth proportional to 8,540.09, 12,810.52 and 2,616.55 is: 3,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.09 : 12,810.52 = 2,616.55 : x
  2. Step 2: Convert to fraction form
    8,540.09/12,810.52 = 2,616.55/x
  3. Step 3: Cross multiply
    8,540.09x = 12,810.52 × 2,616.55
  4. Step 4: Simplify right side
    8,540.09x = 33,519,334.08
  5. Step 5: Solve for x
    x = 33,519,334.08/8,540.09
  6. Step 6: Final answer
    x = 3,924.94

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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.