Home / 7,688.48-11,535.63-3,011.83

Finding the Fourth Proportional to 7,688.48, 11,535.63 and 3,011.83

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Solution

The fourth proportional to 7,688.48, 11,535.63 and 3,011.83 is: 4,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.48 : 11,535.63 = 3,011.83 : x
  2. Step 2: Convert to fraction form
    7,688.48/11,535.63 = 3,011.83/x
  3. Step 3: Cross multiply
    7,688.48x = 11,535.63 × 3,011.83
  4. Step 4: Simplify right side
    7,688.48x = 34,743,356.50
  5. Step 5: Solve for x
    x = 34,743,356.50/7,688.48
  6. Step 6: Final answer
    x = 4,518.88

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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.