Home / 4,520.00-6,240.50-3,103.23

Finding the Fourth Proportional to 4,520.00, 6,240.50 and 3,103.23

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Solution

The fourth proportional to 4,520.00, 6,240.50 and 3,103.23 is: 4,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.00 : 6,240.50 = 3,103.23 : x
  2. Step 2: Convert to fraction form
    4,520.00/6,240.50 = 3,103.23/x
  3. Step 3: Cross multiply
    4,520.00x = 6,240.50 × 3,103.23
  4. Step 4: Simplify right side
    4,520.00x = 19,365,743.79
  5. Step 5: Solve for x
    x = 19,365,743.79/4,520.00
  6. Step 6: Final answer
    x = 4,284.45

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Double scale
Find fourth proportional to 4,521, 6,241.89 and 3,104.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.