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Finding the Fourth Proportional to 8,547.11, 12,819.12 and 2,305.68

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Solution

The fourth proportional to 8,547.11, 12,819.12 and 2,305.68 is: 3,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.11 : 12,819.12 = 2,305.68 : x
  2. Step 2: Convert to fraction form
    8,547.11/12,819.12 = 2,305.68/x
  3. Step 3: Cross multiply
    8,547.11x = 12,819.12 × 2,305.68
  4. Step 4: Simplify right side
    8,547.11x = 29,556,788.60
  5. Step 5: Solve for x
    x = 29,556,788.60/8,547.11
  6. Step 6: Final answer
    x = 3,458.10

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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.