Home / 7,339.82-10,999.36-5,688.62

Finding the Fourth Proportional to 7,339.82, 10,999.36 and 5,688.62

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Solution

The fourth proportional to 7,339.82, 10,999.36 and 5,688.62 is: 8,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.82 : 10,999.36 = 5,688.62 : x
  2. Step 2: Convert to fraction form
    7,339.82/10,999.36 = 5,688.62/x
  3. Step 3: Cross multiply
    7,339.82x = 10,999.36 × 5,688.62
  4. Step 4: Simplify right side
    7,339.82x = 62,571,179.28
  5. Step 5: Solve for x
    x = 62,571,179.28/7,339.82
  6. Step 6: Final answer
    x = 8,524.89

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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.