Home / 8,145.39-12,210.29-2,595.68

Finding the Fourth Proportional to 8,145.39, 12,210.29 and 2,595.68

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Solution

The fourth proportional to 8,145.39, 12,210.29 and 2,595.68 is: 3,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.39 : 12,210.29 = 2,595.68 : x
  2. Step 2: Convert to fraction form
    8,145.39/12,210.29 = 2,595.68/x
  3. Step 3: Cross multiply
    8,145.39x = 12,210.29 × 2,595.68
  4. Step 4: Simplify right side
    8,145.39x = 31,694,001.64
  5. Step 5: Solve for x
    x = 31,694,001.64/8,145.39
  6. Step 6: Final answer
    x = 3,891.03

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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.