Home / 5,520.82-8,281.29-1,625.30

Finding the Fourth Proportional to 5,520.82, 8,281.29 and 1,625.30

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Solution

The fourth proportional to 5,520.82, 8,281.29 and 1,625.30 is: 2,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.82 : 8,281.29 = 1,625.30 : x
  2. Step 2: Convert to fraction form
    5,520.82/8,281.29 = 1,625.30/x
  3. Step 3: Cross multiply
    5,520.82x = 8,281.29 × 1,625.30
  4. Step 4: Simplify right side
    5,520.82x = 13,459,580.64
  5. Step 5: Solve for x
    x = 13,459,580.64/5,520.82
  6. Step 6: Final answer
    x = 2,437.97

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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.