Home / 5,241.20-7,853.88-3,506.72

Finding the Fourth Proportional to 5,241.20, 7,853.88 and 3,506.72

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Solution

The fourth proportional to 5,241.20, 7,853.88 and 3,506.72 is: 5,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.20 : 7,853.88 = 3,506.72 : x
  2. Step 2: Convert to fraction form
    5,241.20/7,853.88 = 3,506.72/x
  3. Step 3: Cross multiply
    5,241.20x = 7,853.88 × 3,506.72
  4. Step 4: Simplify right side
    5,241.20x = 27,541,358.07
  5. Step 5: Solve for x
    x = 27,541,358.07/5,241.20
  6. Step 6: Final answer
    x = 5,254.78

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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.