Home / 5,146.76-7,720.14-3,614.60

Finding the Fourth Proportional to 5,146.76, 7,720.14 and 3,614.60

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Solution

The fourth proportional to 5,146.76, 7,720.14 and 3,614.60 is: 5,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.76 : 7,720.14 = 3,614.60 : x
  2. Step 2: Convert to fraction form
    5,146.76/7,720.14 = 3,614.60/x
  3. Step 3: Cross multiply
    5,146.76x = 7,720.14 × 3,614.60
  4. Step 4: Simplify right side
    5,146.76x = 27,905,218.04
  5. Step 5: Solve for x
    x = 27,905,218.04/5,146.76
  6. Step 6: Final answer
    x = 5,421.90

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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.