Home / 7,127.06-10,690.58-1,932.93

Finding the Fourth Proportional to 7,127.06, 10,690.58 and 1,932.93

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Solution

The fourth proportional to 7,127.06, 10,690.58 and 1,932.93 is: 2,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.06 : 10,690.58 = 1,932.93 : x
  2. Step 2: Convert to fraction form
    7,127.06/10,690.58 = 1,932.93/x
  3. Step 3: Cross multiply
    7,127.06x = 10,690.58 × 1,932.93
  4. Step 4: Simplify right side
    7,127.06x = 20,664,133.13
  5. Step 5: Solve for x
    x = 20,664,133.13/7,127.06
  6. Step 6: Final answer
    x = 2,899.39

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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.