Home / 7,653.36-11,480.16-3,493.20

Finding the Fourth Proportional to 7,653.36, 11,480.16 and 3,493.20

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Solution

The fourth proportional to 7,653.36, 11,480.16 and 3,493.20 is: 5,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.36 : 11,480.16 = 3,493.20 : x
  2. Step 2: Convert to fraction form
    7,653.36/11,480.16 = 3,493.20/x
  3. Step 3: Cross multiply
    7,653.36x = 11,480.16 × 3,493.20
  4. Step 4: Simplify right side
    7,653.36x = 40,102,494.91
  5. Step 5: Solve for x
    x = 40,102,494.91/7,653.36
  6. Step 6: Final answer
    x = 5,239.85

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Double scale
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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.