Home / 9,109.70-13,664.55-3,266.90

Finding the Fourth Proportional to 9,109.70, 13,664.55 and 3,266.90

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Solution

The fourth proportional to 9,109.70, 13,664.55 and 3,266.90 is: 4,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.70 : 13,664.55 = 3,266.90 : x
  2. Step 2: Convert to fraction form
    9,109.70/13,664.55 = 3,266.90/x
  3. Step 3: Cross multiply
    9,109.70x = 13,664.55 × 3,266.90
  4. Step 4: Simplify right side
    9,109.70x = 44,640,718.40
  5. Step 5: Solve for x
    x = 44,640,718.40/9,109.70
  6. Step 6: Final answer
    x = 4,900.35

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1.5x scale

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.