Home / 5,427.60-8,135.10-2,506.20

Finding the Fourth Proportional to 5,427.60, 8,135.10 and 2,506.20

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Solution

The fourth proportional to 5,427.60, 8,135.10 and 2,506.20 is: 3,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.60 : 8,135.10 = 2,506.20 : x
  2. Step 2: Convert to fraction form
    5,427.60/8,135.10 = 2,506.20/x
  3. Step 3: Cross multiply
    5,427.60x = 8,135.10 × 2,506.20
  4. Step 4: Simplify right side
    5,427.60x = 20,388,187.62
  5. Step 5: Solve for x
    x = 20,388,187.62/5,427.60
  6. Step 6: Final answer
    x = 3,756.39

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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.