Home / 9,100.13-13,641.89-3,255.35

Finding the Fourth Proportional to 9,100.13, 13,641.89 and 3,255.35

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Solution

The fourth proportional to 9,100.13, 13,641.89 and 3,255.35 is: 4,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.13 : 13,641.89 = 3,255.35 : x
  2. Step 2: Convert to fraction form
    9,100.13/13,641.89 = 3,255.35/x
  3. Step 3: Cross multiply
    9,100.13x = 13,641.89 × 3,255.35
  4. Step 4: Simplify right side
    9,100.13x = 44,409,042.13
  5. Step 5: Solve for x
    x = 44,409,042.13/9,100.13
  6. Step 6: Final answer
    x = 4,880.05

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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.