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Finding the Fourth Proportional to 8,868.51, 13,307.64 and 3,325.68

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Solution

The fourth proportional to 8,868.51, 13,307.64 and 3,325.68 is: 4,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.51 : 13,307.64 = 3,325.68 : x
  2. Step 2: Convert to fraction form
    8,868.51/13,307.64 = 3,325.68/x
  3. Step 3: Cross multiply
    8,868.51x = 13,307.64 × 3,325.68
  4. Step 4: Simplify right side
    8,868.51x = 44,256,952.20
  5. Step 5: Solve for x
    x = 44,256,952.20/8,868.51
  6. Step 6: Final answer
    x = 4,990.35

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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.