Home / 8,385.01-12,578.82-2,540.23

Finding the Fourth Proportional to 8,385.01, 12,578.82 and 2,540.23

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Solution

The fourth proportional to 8,385.01, 12,578.82 and 2,540.23 is: 3,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.01 : 12,578.82 = 2,540.23 : x
  2. Step 2: Convert to fraction form
    8,385.01/12,578.82 = 2,540.23/x
  3. Step 3: Cross multiply
    8,385.01x = 12,578.82 × 2,540.23
  4. Step 4: Simplify right side
    8,385.01x = 31,953,095.93
  5. Step 5: Solve for x
    x = 31,953,095.93/8,385.01
  6. Step 6: Final answer
    x = 3,810.74

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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.