Home / 5,265.20-7,243.62-5,119.40

Finding the Fourth Proportional to 5,265.20, 7,243.62 and 5,119.40

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Solution

The fourth proportional to 5,265.20, 7,243.62 and 5,119.40 is: 7,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.20 : 7,243.62 = 5,119.40 : x
  2. Step 2: Convert to fraction form
    5,265.20/7,243.62 = 5,119.40/x
  3. Step 3: Cross multiply
    5,265.20x = 7,243.62 × 5,119.40
  4. Step 4: Simplify right side
    5,265.20x = 37,082,988.23
  5. Step 5: Solve for x
    x = 37,082,988.23/5,265.20
  6. Step 6: Final answer
    x = 7,043.04

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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.