Home / 8,868.38-13,302.96-3,320.28

Finding the Fourth Proportional to 8,868.38, 13,302.96 and 3,320.28

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Solution

The fourth proportional to 8,868.38, 13,302.96 and 3,320.28 is: 4,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.38 : 13,302.96 = 3,320.28 : x
  2. Step 2: Convert to fraction form
    8,868.38/13,302.96 = 3,320.28/x
  3. Step 3: Cross multiply
    8,868.38x = 13,302.96 × 3,320.28
  4. Step 4: Simplify right side
    8,868.38x = 44,169,552.03
  5. Step 5: Solve for x
    x = 44,169,552.03/8,868.38
  6. Step 6: Final answer
    x = 4,980.57

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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.