Home / 8,688.96-11,982.08-5,544

Finding the Fourth Proportional to 8,688.96, 11,982.08 and 5,544

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Solution

The fourth proportional to 8,688.96, 11,982.08 and 5,544 is: 7,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.96 : 11,982.08 = 5,544 : x
  2. Step 2: Convert to fraction form
    8,688.96/11,982.08 = 5,544/x
  3. Step 3: Cross multiply
    8,688.96x = 11,982.08 × 5,544
  4. Step 4: Simplify right side
    8,688.96x = 66,428,651.52
  5. Step 5: Solve for x
    x = 66,428,651.52/8,688.96
  6. Step 6: Final answer
    x = 7,645.18

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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.