Home / 7,127.41-10,690.19-2,966.64

Finding the Fourth Proportional to 7,127.41, 10,690.19 and 2,966.64

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Solution

The fourth proportional to 7,127.41, 10,690.19 and 2,966.64 is: 4,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.41 : 10,690.19 = 2,966.64 : x
  2. Step 2: Convert to fraction form
    7,127.41/10,690.19 = 2,966.64/x
  3. Step 3: Cross multiply
    7,127.41x = 10,690.19 × 2,966.64
  4. Step 4: Simplify right side
    7,127.41x = 31,713,876.98
  5. Step 5: Solve for x
    x = 31,713,876.98/7,127.41
  6. Step 6: Final answer
    x = 4,449.57

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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.