Home / 8,869.47-13,302.50-2,945.43

Finding the Fourth Proportional to 8,869.47, 13,302.50 and 2,945.43

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Solution

The fourth proportional to 8,869.47, 13,302.50 and 2,945.43 is: 4,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.47 : 13,302.50 = 2,945.43 : x
  2. Step 2: Convert to fraction form
    8,869.47/13,302.50 = 2,945.43/x
  3. Step 3: Cross multiply
    8,869.47x = 13,302.50 × 2,945.43
  4. Step 4: Simplify right side
    8,869.47x = 39,181,567.85
  5. Step 5: Solve for x
    x = 39,181,567.85/8,869.47
  6. Step 6: Final answer
    x = 4,417.58

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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.