Home / 8,511.22-11,744.64-5,323.90

Finding the Fourth Proportional to 8,511.22, 11,744.64 and 5,323.90

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Solution

The fourth proportional to 8,511.22, 11,744.64 and 5,323.90 is: 7,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.22 : 11,744.64 = 5,323.90 : x
  2. Step 2: Convert to fraction form
    8,511.22/11,744.64 = 5,323.90/x
  3. Step 3: Cross multiply
    8,511.22x = 11,744.64 × 5,323.90
  4. Step 4: Simplify right side
    8,511.22x = 62,527,288.90
  5. Step 5: Solve for x
    x = 62,527,288.90/8,511.22
  6. Step 6: Final answer
    x = 7,346.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.