Home / 7,927.72-11,898.78-4,233.10

Finding the Fourth Proportional to 7,927.72, 11,898.78 and 4,233.10

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Solution

The fourth proportional to 7,927.72, 11,898.78 and 4,233.10 is: 6,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.72 : 11,898.78 = 4,233.10 : x
  2. Step 2: Convert to fraction form
    7,927.72/11,898.78 = 4,233.10/x
  3. Step 3: Cross multiply
    7,927.72x = 11,898.78 × 4,233.10
  4. Step 4: Simplify right side
    7,927.72x = 50,368,725.62
  5. Step 5: Solve for x
    x = 50,368,725.62/7,927.72
  6. Step 6: Final answer
    x = 6,353.49

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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.