Home / 5,551.40-8,316.30-3,081.80

Finding the Fourth Proportional to 5,551.40, 8,316.30 and 3,081.80

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Solution

The fourth proportional to 5,551.40, 8,316.30 and 3,081.80 is: 4,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.40 : 8,316.30 = 3,081.80 : x
  2. Step 2: Convert to fraction form
    5,551.40/8,316.30 = 3,081.80/x
  3. Step 3: Cross multiply
    5,551.40x = 8,316.30 × 3,081.80
  4. Step 4: Simplify right side
    5,551.40x = 25,629,173.34
  5. Step 5: Solve for x
    x = 25,629,173.34/5,551.40
  6. Step 6: Final answer
    x = 4,616.70

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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.