Home / 8,971.28-13,461.78-3,777.02

Finding the Fourth Proportional to 8,971.28, 13,461.78 and 3,777.02

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Solution

The fourth proportional to 8,971.28, 13,461.78 and 3,777.02 is: 5,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.28 : 13,461.78 = 3,777.02 : x
  2. Step 2: Convert to fraction form
    8,971.28/13,461.78 = 3,777.02/x
  3. Step 3: Cross multiply
    8,971.28x = 13,461.78 × 3,777.02
  4. Step 4: Simplify right side
    8,971.28x = 50,845,412.30
  5. Step 5: Solve for x
    x = 50,845,412.30/8,971.28
  6. Step 6: Final answer
    x = 5,667.58

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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.