Home / 7,429.29-11,145.72-2,235.17

Finding the Fourth Proportional to 7,429.29, 11,145.72 and 2,235.17

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Solution

The fourth proportional to 7,429.29, 11,145.72 and 2,235.17 is: 3,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.29 : 11,145.72 = 2,235.17 : x
  2. Step 2: Convert to fraction form
    7,429.29/11,145.72 = 2,235.17/x
  3. Step 3: Cross multiply
    7,429.29x = 11,145.72 × 2,235.17
  4. Step 4: Simplify right side
    7,429.29x = 24,912,523.24
  5. Step 5: Solve for x
    x = 24,912,523.24/7,429.29
  6. Step 6: Final answer
    x = 3,353.28

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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.