Home / 8,784.60-13,167.99-2,936.40

Finding the Fourth Proportional to 8,784.60, 13,167.99 and 2,936.40

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Solution

The fourth proportional to 8,784.60, 13,167.99 and 2,936.40 is: 4,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.60 : 13,167.99 = 2,936.40 : x
  2. Step 2: Convert to fraction form
    8,784.60/13,167.99 = 2,936.40/x
  3. Step 3: Cross multiply
    8,784.60x = 13,167.99 × 2,936.40
  4. Step 4: Simplify right side
    8,784.60x = 38,666,485.84
  5. Step 5: Solve for x
    x = 38,666,485.84/8,784.60
  6. Step 6: Final answer
    x = 4,401.62

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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.