Home / 8,748.27-13,125.45-2,905.34

Finding the Fourth Proportional to 8,748.27, 13,125.45 and 2,905.34

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Solution

The fourth proportional to 8,748.27, 13,125.45 and 2,905.34 is: 4,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.27 : 13,125.45 = 2,905.34 : x
  2. Step 2: Convert to fraction form
    8,748.27/13,125.45 = 2,905.34/x
  3. Step 3: Cross multiply
    8,748.27x = 13,125.45 × 2,905.34
  4. Step 4: Simplify right side
    8,748.27x = 38,133,829.28
  5. Step 5: Solve for x
    x = 38,133,829.28/8,748.27
  6. Step 6: Final answer
    x = 4,359.01

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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.