Home / 5,587.26-8,380.88-1,427.27

Finding the Fourth Proportional to 5,587.26, 8,380.88 and 1,427.27

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Solution

The fourth proportional to 5,587.26, 8,380.88 and 1,427.27 is: 2,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.26 : 8,380.88 = 1,427.27 : x
  2. Step 2: Convert to fraction form
    5,587.26/8,380.88 = 1,427.27/x
  3. Step 3: Cross multiply
    5,587.26x = 8,380.88 × 1,427.27
  4. Step 4: Simplify right side
    5,587.26x = 11,961,803.12
  5. Step 5: Solve for x
    x = 11,961,803.12/5,587.26
  6. Step 6: Final answer
    x = 2,140.91

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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.