Home / 5,425.07-8,132.10-2,140.49

Finding the Fourth Proportional to 5,425.07, 8,132.10 and 2,140.49

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Solution

The fourth proportional to 5,425.07, 8,132.10 and 2,140.49 is: 3,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.07 : 8,132.10 = 2,140.49 : x
  2. Step 2: Convert to fraction form
    5,425.07/8,132.10 = 2,140.49/x
  3. Step 3: Cross multiply
    5,425.07x = 8,132.10 × 2,140.49
  4. Step 4: Simplify right side
    5,425.07x = 17,406,678.73
  5. Step 5: Solve for x
    x = 17,406,678.73/5,425.07
  6. Step 6: Final answer
    x = 3,208.56

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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.