Home / 8,094.45-12,143.82-2,547.99

Finding the Fourth Proportional to 8,094.45, 12,143.82 and 2,547.99

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Solution

The fourth proportional to 8,094.45, 12,143.82 and 2,547.99 is: 3,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.45 : 12,143.82 = 2,547.99 : x
  2. Step 2: Convert to fraction form
    8,094.45/12,143.82 = 2,547.99/x
  3. Step 3: Cross multiply
    8,094.45x = 12,143.82 × 2,547.99
  4. Step 4: Simplify right side
    8,094.45x = 30,942,331.92
  5. Step 5: Solve for x
    x = 30,942,331.92/8,094.45
  6. Step 6: Final answer
    x = 3,822.66

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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.