Home / 7,687.05-11,530.58-5,483.85

Finding the Fourth Proportional to 7,687.05, 11,530.58 and 5,483.85

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Solution

The fourth proportional to 7,687.05, 11,530.58 and 5,483.85 is: 8,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.05 : 11,530.58 = 5,483.85 : x
  2. Step 2: Convert to fraction form
    7,687.05/11,530.58 = 5,483.85/x
  3. Step 3: Cross multiply
    7,687.05x = 11,530.58 × 5,483.85
  4. Step 4: Simplify right side
    7,687.05x = 63,231,943.71
  5. Step 5: Solve for x
    x = 63,231,943.71/7,687.05
  6. Step 6: Final answer
    x = 8,225.78

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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.