Home / 5,090.14-7,634.80-3,615.72

Finding the Fourth Proportional to 5,090.14, 7,634.80 and 3,615.72

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Solution

The fourth proportional to 5,090.14, 7,634.80 and 3,615.72 is: 5,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.14 : 7,634.80 = 3,615.72 : x
  2. Step 2: Convert to fraction form
    5,090.14/7,634.80 = 3,615.72/x
  3. Step 3: Cross multiply
    5,090.14x = 7,634.80 × 3,615.72
  4. Step 4: Simplify right side
    5,090.14x = 27,605,299.06
  5. Step 5: Solve for x
    x = 27,605,299.06/5,090.14
  6. Step 6: Final answer
    x = 5,423.29

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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.