Home / 8,862.07-13,295.40-3,315.84

Finding the Fourth Proportional to 8,862.07, 13,295.40 and 3,315.84

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Solution

The fourth proportional to 8,862.07, 13,295.40 and 3,315.84 is: 4,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.07 : 13,295.40 = 3,315.84 : x
  2. Step 2: Convert to fraction form
    8,862.07/13,295.40 = 3,315.84/x
  3. Step 3: Cross multiply
    8,862.07x = 13,295.40 × 3,315.84
  4. Step 4: Simplify right side
    8,862.07x = 44,085,419.14
  5. Step 5: Solve for x
    x = 44,085,419.14/8,862.07
  6. Step 6: Final answer
    x = 4,974.62

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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.