Home / 8,626.02-12,935.84-3,077.88

Finding the Fourth Proportional to 8,626.02, 12,935.84 and 3,077.88

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Solution

The fourth proportional to 8,626.02, 12,935.84 and 3,077.88 is: 4,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.02 : 12,935.84 = 3,077.88 : x
  2. Step 2: Convert to fraction form
    8,626.02/12,935.84 = 3,077.88/x
  3. Step 3: Cross multiply
    8,626.02x = 12,935.84 × 3,077.88
  4. Step 4: Simplify right side
    8,626.02x = 39,814,906.23
  5. Step 5: Solve for x
    x = 39,814,906.23/8,626.02
  6. Step 6: Final answer
    x = 4,615.68

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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.