Home / 8,936.68-13,407.27-5,242

Finding the Fourth Proportional to 8,936.68, 13,407.27 and 5,242

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Solution

The fourth proportional to 8,936.68, 13,407.27 and 5,242 is: 7,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.68 : 13,407.27 = 5,242 : x
  2. Step 2: Convert to fraction form
    8,936.68/13,407.27 = 5,242/x
  3. Step 3: Cross multiply
    8,936.68x = 13,407.27 × 5,242
  4. Step 4: Simplify right side
    8,936.68x = 70,280,909.34
  5. Step 5: Solve for x
    x = 70,280,909.34/8,936.68
  6. Step 6: Final answer
    x = 7,864.32

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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.