Home / 8,918.08-13,377.60-3,724.16

Finding the Fourth Proportional to 8,918.08, 13,377.60 and 3,724.16

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Solution

The fourth proportional to 8,918.08, 13,377.60 and 3,724.16 is: 5,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.08 : 13,377.60 = 3,724.16 : x
  2. Step 2: Convert to fraction form
    8,918.08/13,377.60 = 3,724.16/x
  3. Step 3: Cross multiply
    8,918.08x = 13,377.60 × 3,724.16
  4. Step 4: Simplify right side
    8,918.08x = 49,820,322.82
  5. Step 5: Solve for x
    x = 49,820,322.82/8,918.08
  6. Step 6: Final answer
    x = 5,586.44

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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.