Home / 7,127.28-9,836.91-5,241.60

Finding the Fourth Proportional to 7,127.28, 9,836.91 and 5,241.60

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Solution

The fourth proportional to 7,127.28, 9,836.91 and 5,241.60 is: 7,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.28 : 9,836.91 = 5,241.60 : x
  2. Step 2: Convert to fraction form
    7,127.28/9,836.91 = 5,241.60/x
  3. Step 3: Cross multiply
    7,127.28x = 9,836.91 × 5,241.60
  4. Step 4: Simplify right side
    7,127.28x = 51,561,147.46
  5. Step 5: Solve for x
    x = 51,561,147.46/7,127.28
  6. Step 6: Final answer
    x = 7,234.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.