Home / 7,688.96-11,533.43-4,399.72

Finding the Fourth Proportional to 7,688.96, 11,533.43 and 4,399.72

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Solution

The fourth proportional to 7,688.96, 11,533.43 and 4,399.72 is: 6,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.96 : 11,533.43 = 4,399.72 : x
  2. Step 2: Convert to fraction form
    7,688.96/11,533.43 = 4,399.72/x
  3. Step 3: Cross multiply
    7,688.96x = 11,533.43 × 4,399.72
  4. Step 4: Simplify right side
    7,688.96x = 50,743,928.62
  5. Step 5: Solve for x
    x = 50,743,928.62/7,688.96
  6. Step 6: Final answer
    x = 6,599.59

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Double scale
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Similar ratio
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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.