Home / 7,688.27-11,535.30-3,011.62

Finding the Fourth Proportional to 7,688.27, 11,535.30 and 3,011.62

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Solution

The fourth proportional to 7,688.27, 11,535.30 and 3,011.62 is: 4,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.27 : 11,535.30 = 3,011.62 : x
  2. Step 2: Convert to fraction form
    7,688.27/11,535.30 = 3,011.62/x
  3. Step 3: Cross multiply
    7,688.27x = 11,535.30 × 3,011.62
  4. Step 4: Simplify right side
    7,688.27x = 34,739,911.35
  5. Step 5: Solve for x
    x = 34,739,911.35/7,688.27
  6. Step 6: Final answer
    x = 4,518.56

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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.