Home / 5,587-8,380.50-1,427.01

Finding the Fourth Proportional to 5,587, 8,380.50 and 1,427.01

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Solution

The fourth proportional to 5,587, 8,380.50 and 1,427.01 is: 2,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587 : 8,380.50 = 1,427.01 : x
  2. Step 2: Convert to fraction form
    5,587/8,380.50 = 1,427.01/x
  3. Step 3: Cross multiply
    5,587x = 8,380.50 × 1,427.01
  4. Step 4: Simplify right side
    5,587x = 11,959,057.31
  5. Step 5: Solve for x
    x = 11,959,057.31/5,587
  6. Step 6: Final answer
    x = 2,140.52

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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.