Home / 8,945.21-13,417.95-2,705.27

Finding the Fourth Proportional to 8,945.21, 13,417.95 and 2,705.27

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Solution

The fourth proportional to 8,945.21, 13,417.95 and 2,705.27 is: 4,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.21 : 13,417.95 = 2,705.27 : x
  2. Step 2: Convert to fraction form
    8,945.21/13,417.95 = 2,705.27/x
  3. Step 3: Cross multiply
    8,945.21x = 13,417.95 × 2,705.27
  4. Step 4: Simplify right side
    8,945.21x = 36,299,177.60
  5. Step 5: Solve for x
    x = 36,299,177.60/8,945.21
  6. Step 6: Final answer
    x = 4,057.95

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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.