Home / 7,194.12-10,790.32-1,929.55

Finding the Fourth Proportional to 7,194.12, 10,790.32 and 1,929.55

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Solution

The fourth proportional to 7,194.12, 10,790.32 and 1,929.55 is: 2,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.12 : 10,790.32 = 1,929.55 : x
  2. Step 2: Convert to fraction form
    7,194.12/10,790.32 = 1,929.55/x
  3. Step 3: Cross multiply
    7,194.12x = 10,790.32 × 1,929.55
  4. Step 4: Simplify right side
    7,194.12x = 20,820,461.96
  5. Step 5: Solve for x
    x = 20,820,461.96/7,194.12
  6. Step 6: Final answer
    x = 2,894.09

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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.