Home / 7,481.79-10,324.98-4,124.61

Finding the Fourth Proportional to 7,481.79, 10,324.98 and 4,124.61

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Solution

The fourth proportional to 7,481.79, 10,324.98 and 4,124.61 is: 5,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.79 : 10,324.98 = 4,124.61 : x
  2. Step 2: Convert to fraction form
    7,481.79/10,324.98 = 4,124.61/x
  3. Step 3: Cross multiply
    7,481.79x = 10,324.98 × 4,124.61
  4. Step 4: Simplify right side
    7,481.79x = 42,586,515.76
  5. Step 5: Solve for x
    x = 42,586,515.76/7,481.79
  6. Step 6: Final answer
    x = 5,692.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.