Home / 7,665.68-11,499.34-3,281.96

Finding the Fourth Proportional to 7,665.68, 11,499.34 and 3,281.96

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Solution

The fourth proportional to 7,665.68, 11,499.34 and 3,281.96 is: 4,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.68 : 11,499.34 = 3,281.96 : x
  2. Step 2: Convert to fraction form
    7,665.68/11,499.34 = 3,281.96/x
  3. Step 3: Cross multiply
    7,665.68x = 11,499.34 × 3,281.96
  4. Step 4: Simplify right side
    7,665.68x = 37,740,373.91
  5. Step 5: Solve for x
    x = 37,740,373.91/7,665.68
  6. Step 6: Final answer
    x = 4,923.29

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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.