Home / 7,621.76-11,432.64-2,624.38

Finding the Fourth Proportional to 7,621.76, 11,432.64 and 2,624.38

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Solution

The fourth proportional to 7,621.76, 11,432.64 and 2,624.38 is: 3,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.76 : 11,432.64 = 2,624.38 : x
  2. Step 2: Convert to fraction form
    7,621.76/11,432.64 = 2,624.38/x
  3. Step 3: Cross multiply
    7,621.76x = 11,432.64 × 2,624.38
  4. Step 4: Simplify right side
    7,621.76x = 30,003,563.18
  5. Step 5: Solve for x
    x = 30,003,563.18/7,621.76
  6. Step 6: Final answer
    x = 3,936.56

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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.