Home / 8,868.66-13,303.06-3,936.98

Finding the Fourth Proportional to 8,868.66, 13,303.06 and 3,936.98

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Solution

The fourth proportional to 8,868.66, 13,303.06 and 3,936.98 is: 5,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.66 : 13,303.06 = 3,936.98 : x
  2. Step 2: Convert to fraction form
    8,868.66/13,303.06 = 3,936.98/x
  3. Step 3: Cross multiply
    8,868.66x = 13,303.06 × 3,936.98
  4. Step 4: Simplify right side
    8,868.66x = 52,373,881.16
  5. Step 5: Solve for x
    x = 52,373,881.16/8,868.66
  6. Step 6: Final answer
    x = 5,905.50

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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.