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Finding the Fourth Proportional to 8,800.40, 13,202.01 and 3,535.40

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Solution

The fourth proportional to 8,800.40, 13,202.01 and 3,535.40 is: 5,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.40 : 13,202.01 = 3,535.40 : x
  2. Step 2: Convert to fraction form
    8,800.40/13,202.01 = 3,535.40/x
  3. Step 3: Cross multiply
    8,800.40x = 13,202.01 × 3,535.40
  4. Step 4: Simplify right side
    8,800.40x = 46,674,320.14
  5. Step 5: Solve for x
    x = 46,674,320.14/8,800.40
  6. Step 6: Final answer
    x = 5,303.66

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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.