Home / 8,870.84-13,299.05-3,321.08

Finding the Fourth Proportional to 8,870.84, 13,299.05 and 3,321.08

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Solution

The fourth proportional to 8,870.84, 13,299.05 and 3,321.08 is: 4,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.84 : 13,299.05 = 3,321.08 : x
  2. Step 2: Convert to fraction form
    8,870.84/13,299.05 = 3,321.08/x
  3. Step 3: Cross multiply
    8,870.84x = 13,299.05 × 3,321.08
  4. Step 4: Simplify right side
    8,870.84x = 44,167,125.87
  5. Step 5: Solve for x
    x = 44,167,125.87/8,870.84
  6. Step 6: Final answer
    x = 4,978.91

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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.