Home / 8,869.80-13,301.76-2,945.34

Finding the Fourth Proportional to 8,869.80, 13,301.76 and 2,945.34

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Solution

The fourth proportional to 8,869.80, 13,301.76 and 2,945.34 is: 4,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.80 : 13,301.76 = 2,945.34 : x
  2. Step 2: Convert to fraction form
    8,869.80/13,301.76 = 2,945.34/x
  3. Step 3: Cross multiply
    8,869.80x = 13,301.76 × 2,945.34
  4. Step 4: Simplify right side
    8,869.80x = 39,178,205.80
  5. Step 5: Solve for x
    x = 39,178,205.80/8,869.80
  6. Step 6: Final answer
    x = 4,417.03

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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.