Home / 7,127.17-10,690.74-1,933.04

Finding the Fourth Proportional to 7,127.17, 10,690.74 and 1,933.04

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Solution

The fourth proportional to 7,127.17, 10,690.74 and 1,933.04 is: 2,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.17 : 10,690.74 = 1,933.04 : x
  2. Step 2: Convert to fraction form
    7,127.17/10,690.74 = 1,933.04/x
  3. Step 3: Cross multiply
    7,127.17x = 10,690.74 × 1,933.04
  4. Step 4: Simplify right side
    7,127.17x = 20,665,628.05
  5. Step 5: Solve for x
    x = 20,665,628.05/7,127.17
  6. Step 6: Final answer
    x = 2,899.56

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Similar ratio
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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.