Home / 5,539.57-8,310.19-1,790.10

Finding the Fourth Proportional to 5,539.57, 8,310.19 and 1,790.10

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Solution

The fourth proportional to 5,539.57, 8,310.19 and 1,790.10 is: 2,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.57 : 8,310.19 = 1,790.10 : x
  2. Step 2: Convert to fraction form
    5,539.57/8,310.19 = 1,790.10/x
  3. Step 3: Cross multiply
    5,539.57x = 8,310.19 × 1,790.10
  4. Step 4: Simplify right side
    5,539.57x = 14,876,071.12
  5. Step 5: Solve for x
    x = 14,876,071.12/5,539.57
  6. Step 6: Final answer
    x = 2,685.42

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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.