Home / 8,583.20-12,875.76-2,738.48

Finding the Fourth Proportional to 8,583.20, 12,875.76 and 2,738.48

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Solution

The fourth proportional to 8,583.20, 12,875.76 and 2,738.48 is: 4,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.20 : 12,875.76 = 2,738.48 : x
  2. Step 2: Convert to fraction form
    8,583.20/12,875.76 = 2,738.48/x
  3. Step 3: Cross multiply
    8,583.20x = 12,875.76 × 2,738.48
  4. Step 4: Simplify right side
    8,583.20x = 35,260,011.24
  5. Step 5: Solve for x
    x = 35,260,011.24/8,583.20
  6. Step 6: Final answer
    x = 4,108.03

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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.