Home / 7,623.54-11,439.70-4,113.54

Finding the Fourth Proportional to 7,623.54, 11,439.70 and 4,113.54

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Solution

The fourth proportional to 7,623.54, 11,439.70 and 4,113.54 is: 6,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.54 : 11,439.70 = 4,113.54 : x
  2. Step 2: Convert to fraction form
    7,623.54/11,439.70 = 4,113.54/x
  3. Step 3: Cross multiply
    7,623.54x = 11,439.70 × 4,113.54
  4. Step 4: Simplify right side
    7,623.54x = 47,057,663.54
  5. Step 5: Solve for x
    x = 47,057,663.54/7,623.54
  6. Step 6: Final answer
    x = 6,172.68

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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.