Home / 9,160.80-13,741.20-3,612.30

Finding the Fourth Proportional to 9,160.80, 13,741.20 and 3,612.30

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Solution

The fourth proportional to 9,160.80, 13,741.20 and 3,612.30 is: 5,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.80 : 13,741.20 = 3,612.30 : x
  2. Step 2: Convert to fraction form
    9,160.80/13,741.20 = 3,612.30/x
  3. Step 3: Cross multiply
    9,160.80x = 13,741.20 × 3,612.30
  4. Step 4: Simplify right side
    9,160.80x = 49,637,336.76
  5. Step 5: Solve for x
    x = 49,637,336.76/9,160.80
  6. Step 6: Final answer
    x = 5,418.45

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Similar ratio
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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.