Home / 7,873.05-11,808.66-3,195.15

Finding the Fourth Proportional to 7,873.05, 11,808.66 and 3,195.15

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Solution

The fourth proportional to 7,873.05, 11,808.66 and 3,195.15 is: 4,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.05 : 11,808.66 = 3,195.15 : x
  2. Step 2: Convert to fraction form
    7,873.05/11,808.66 = 3,195.15/x
  3. Step 3: Cross multiply
    7,873.05x = 11,808.66 × 3,195.15
  4. Step 4: Simplify right side
    7,873.05x = 37,730,398.71
  5. Step 5: Solve for x
    x = 37,730,398.71/7,873.05
  6. Step 6: Final answer
    x = 4,792.35

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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.