Home / 8,583.72-12,875.74-2,738.92

Finding the Fourth Proportional to 8,583.72, 12,875.74 and 2,738.92

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Solution

The fourth proportional to 8,583.72, 12,875.74 and 2,738.92 is: 4,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.72 : 12,875.74 = 2,738.92 : x
  2. Step 2: Convert to fraction form
    8,583.72/12,875.74 = 2,738.92/x
  3. Step 3: Cross multiply
    8,583.72x = 12,875.74 × 2,738.92
  4. Step 4: Simplify right side
    8,583.72x = 35,265,621.80
  5. Step 5: Solve for x
    x = 35,265,621.80/8,583.72
  6. Step 6: Final answer
    x = 4,108.43

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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.