Home / 8,754.29-13,130.40-2,179.95

Finding the Fourth Proportional to 8,754.29, 13,130.40 and 2,179.95

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Solution

The fourth proportional to 8,754.29, 13,130.40 and 2,179.95 is: 3,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.29 : 13,130.40 = 2,179.95 : x
  2. Step 2: Convert to fraction form
    8,754.29/13,130.40 = 2,179.95/x
  3. Step 3: Cross multiply
    8,754.29x = 13,130.40 × 2,179.95
  4. Step 4: Simplify right side
    8,754.29x = 28,623,615.48
  5. Step 5: Solve for x
    x = 28,623,615.48/8,754.29
  6. Step 6: Final answer
    x = 3,269.67

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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.