Home / 7,127.07-10,690.62-1,932.94

Finding the Fourth Proportional to 7,127.07, 10,690.62 and 1,932.94

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Solution

The fourth proportional to 7,127.07, 10,690.62 and 1,932.94 is: 2,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.07 : 10,690.62 = 1,932.94 : x
  2. Step 2: Convert to fraction form
    7,127.07/10,690.62 = 1,932.94/x
  3. Step 3: Cross multiply
    7,127.07x = 10,690.62 × 1,932.94
  4. Step 4: Simplify right side
    7,127.07x = 20,664,327.02
  5. Step 5: Solve for x
    x = 20,664,327.02/7,127.07
  6. Step 6: Final answer
    x = 2,899.41

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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.