Home / 5,905.08-8,857.68-2,009.40

Finding the Fourth Proportional to 5,905.08, 8,857.68 and 2,009.40

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Solution

The fourth proportional to 5,905.08, 8,857.68 and 2,009.40 is: 3,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.08 : 8,857.68 = 2,009.40 : x
  2. Step 2: Convert to fraction form
    5,905.08/8,857.68 = 2,009.40/x
  3. Step 3: Cross multiply
    5,905.08x = 8,857.68 × 2,009.40
  4. Step 4: Simplify right side
    5,905.08x = 17,798,622.19
  5. Step 5: Solve for x
    x = 17,798,622.19/5,905.08
  6. Step 6: Final answer
    x = 3,014.12

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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.