Home / 8,540.35-12,810.61-2,617.23

Finding the Fourth Proportional to 8,540.35, 12,810.61 and 2,617.23

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Solution

The fourth proportional to 8,540.35, 12,810.61 and 2,617.23 is: 3,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.35 : 12,810.61 = 2,617.23 : x
  2. Step 2: Convert to fraction form
    8,540.35/12,810.61 = 2,617.23/x
  3. Step 3: Cross multiply
    8,540.35x = 12,810.61 × 2,617.23
  4. Step 4: Simplify right side
    8,540.35x = 33,528,277.34
  5. Step 5: Solve for x
    x = 33,528,277.34/8,540.35
  6. Step 6: Final answer
    x = 3,925.87

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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.