Home / 5,625.24-8,428.74-3,427.30

Finding the Fourth Proportional to 5,625.24, 8,428.74 and 3,427.30

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Solution

The fourth proportional to 5,625.24, 8,428.74 and 3,427.30 is: 5,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.24 : 8,428.74 = 3,427.30 : x
  2. Step 2: Convert to fraction form
    5,625.24/8,428.74 = 3,427.30/x
  3. Step 3: Cross multiply
    5,625.24x = 8,428.74 × 3,427.30
  4. Step 4: Simplify right side
    5,625.24x = 28,887,820.60
  5. Step 5: Solve for x
    x = 28,887,820.60/5,625.24
  6. Step 6: Final answer
    x = 5,135.39

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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.