Home / 5,017.21-7,530.37-2,679.21

Finding the Fourth Proportional to 5,017.21, 7,530.37 and 2,679.21

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Solution

The fourth proportional to 5,017.21, 7,530.37 and 2,679.21 is: 4,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.21 : 7,530.37 = 2,679.21 : x
  2. Step 2: Convert to fraction form
    5,017.21/7,530.37 = 2,679.21/x
  3. Step 3: Cross multiply
    5,017.21x = 7,530.37 × 2,679.21
  4. Step 4: Simplify right side
    5,017.21x = 20,175,435.91
  5. Step 5: Solve for x
    x = 20,175,435.91/5,017.21
  6. Step 6: Final answer
    x = 4,021.25

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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.