Home / 7,429.89-11,145.24-2,235.36

Finding the Fourth Proportional to 7,429.89, 11,145.24 and 2,235.36

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Solution

The fourth proportional to 7,429.89, 11,145.24 and 2,235.36 is: 3,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.89 : 11,145.24 = 2,235.36 : x
  2. Step 2: Convert to fraction form
    7,429.89/11,145.24 = 2,235.36/x
  3. Step 3: Cross multiply
    7,429.89x = 11,145.24 × 2,235.36
  4. Step 4: Simplify right side
    7,429.89x = 24,913,623.69
  5. Step 5: Solve for x
    x = 24,913,623.69/7,429.89
  6. Step 6: Final answer
    x = 3,353.16

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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.