Home / 7,688.91-11,533.82-2,424.09

Finding the Fourth Proportional to 7,688.91, 11,533.82 and 2,424.09

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Solution

The fourth proportional to 7,688.91, 11,533.82 and 2,424.09 is: 3,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.91 : 11,533.82 = 2,424.09 : x
  2. Step 2: Convert to fraction form
    7,688.91/11,533.82 = 2,424.09/x
  3. Step 3: Cross multiply
    7,688.91x = 11,533.82 × 2,424.09
  4. Step 4: Simplify right side
    7,688.91x = 27,959,017.72
  5. Step 5: Solve for x
    x = 27,959,017.72/7,688.91
  6. Step 6: Final answer
    x = 3,636.28

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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.