Home / 5,375.63-7,419.04-3,017.76

Finding the Fourth Proportional to 5,375.63, 7,419.04 and 3,017.76

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Solution

The fourth proportional to 5,375.63, 7,419.04 and 3,017.76 is: 4,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.63 : 7,419.04 = 3,017.76 : x
  2. Step 2: Convert to fraction form
    5,375.63/7,419.04 = 3,017.76/x
  3. Step 3: Cross multiply
    5,375.63x = 7,419.04 × 3,017.76
  4. Step 4: Simplify right side
    5,375.63x = 22,388,882.15
  5. Step 5: Solve for x
    x = 22,388,882.15/5,375.63
  6. Step 6: Final answer
    x = 4,164.89

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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.