Home / 5,554.40-8,331.60-5,100.80

Finding the Fourth Proportional to 5,554.40, 8,331.60 and 5,100.80

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Solution

The fourth proportional to 5,554.40, 8,331.60 and 5,100.80 is: 7,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.40 : 8,331.60 = 5,100.80 : x
  2. Step 2: Convert to fraction form
    5,554.40/8,331.60 = 5,100.80/x
  3. Step 3: Cross multiply
    5,554.40x = 8,331.60 × 5,100.80
  4. Step 4: Simplify right side
    5,554.40x = 42,497,825.28
  5. Step 5: Solve for x
    x = 42,497,825.28/5,554.40
  6. Step 6: Final answer
    x = 7,651.20

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Half 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.