Home / 8,093.78-12,141.20-2,547.34

Finding the Fourth Proportional to 8,093.78, 12,141.20 and 2,547.34

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Solution

The fourth proportional to 8,093.78, 12,141.20 and 2,547.34 is: 3,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.78 : 12,141.20 = 2,547.34 : x
  2. Step 2: Convert to fraction form
    8,093.78/12,141.20 = 2,547.34/x
  3. Step 3: Cross multiply
    8,093.78x = 12,141.20 × 2,547.34
  4. Step 4: Simplify right side
    8,093.78x = 30,927,690.97
  5. Step 5: Solve for x
    x = 30,927,690.97/8,093.78
  6. Step 6: Final answer
    x = 3,821.17

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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.