Home / 7,341.78-11,013.89-2,958.87

Finding the Fourth Proportional to 7,341.78, 11,013.89 and 2,958.87

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Solution

The fourth proportional to 7,341.78, 11,013.89 and 2,958.87 is: 4,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.78 : 11,013.89 = 2,958.87 : x
  2. Step 2: Convert to fraction form
    7,341.78/11,013.89 = 2,958.87/x
  3. Step 3: Cross multiply
    7,341.78x = 11,013.89 × 2,958.87
  4. Step 4: Simplify right side
    7,341.78x = 32,588,653.91
  5. Step 5: Solve for x
    x = 32,588,653.91/7,341.78
  6. Step 6: Final answer
    x = 4,438.79

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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.