Home / 7,127.34-10,691.01-3,177.58

Finding the Fourth Proportional to 7,127.34, 10,691.01 and 3,177.58

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Solution

The fourth proportional to 7,127.34, 10,691.01 and 3,177.58 is: 4,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.34 : 10,691.01 = 3,177.58 : x
  2. Step 2: Convert to fraction form
    7,127.34/10,691.01 = 3,177.58/x
  3. Step 3: Cross multiply
    7,127.34x = 10,691.01 × 3,177.58
  4. Step 4: Simplify right side
    7,127.34x = 33,971,504.88
  5. Step 5: Solve for x
    x = 33,971,504.88/7,127.34
  6. Step 6: Final answer
    x = 4,766.37

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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.