Home / 7,530.30-10,391.82-4,173.12

Finding the Fourth Proportional to 7,530.30, 10,391.82 and 4,173.12

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Solution

The fourth proportional to 7,530.30, 10,391.82 and 4,173.12 is: 5,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.30 : 10,391.82 = 4,173.12 : x
  2. Step 2: Convert to fraction form
    7,530.30/10,391.82 = 4,173.12/x
  3. Step 3: Cross multiply
    7,530.30x = 10,391.82 × 4,173.12
  4. Step 4: Simplify right side
    7,530.30x = 43,366,311.88
  5. Step 5: Solve for x
    x = 43,366,311.88/7,530.30
  6. Step 6: Final answer
    x = 5,758.91

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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.