Home / 8,868.81-13,305.30-2,628.87

Finding the Fourth Proportional to 8,868.81, 13,305.30 and 2,628.87

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Solution

The fourth proportional to 8,868.81, 13,305.30 and 2,628.87 is: 3,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.81 : 13,305.30 = 2,628.87 : x
  2. Step 2: Convert to fraction form
    8,868.81/13,305.30 = 2,628.87/x
  3. Step 3: Cross multiply
    8,868.81x = 13,305.30 × 2,628.87
  4. Step 4: Simplify right side
    8,868.81x = 34,977,937.27
  5. Step 5: Solve for x
    x = 34,977,937.27/8,868.81
  6. Step 6: Final answer
    x = 3,943.93

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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.