Home / 7,127.96-10,690.68-1,934.24

Finding the Fourth Proportional to 7,127.96, 10,690.68 and 1,934.24

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Solution

The fourth proportional to 7,127.96, 10,690.68 and 1,934.24 is: 2,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.96 : 10,690.68 = 1,934.24 : x
  2. Step 2: Convert to fraction form
    7,127.96/10,690.68 = 1,934.24/x
  3. Step 3: Cross multiply
    7,127.96x = 10,690.68 × 1,934.24
  4. Step 4: Simplify right side
    7,127.96x = 20,678,340.88
  5. Step 5: Solve for x
    x = 20,678,340.88/7,127.96
  6. Step 6: Final answer
    x = 2,901.02

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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.