Home / 5,587.21-8,380.09-1,889.29

Finding the Fourth Proportional to 5,587.21, 8,380.09 and 1,889.29

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Solution

The fourth proportional to 5,587.21, 8,380.09 and 1,889.29 is: 2,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.21 : 8,380.09 = 1,889.29 : x
  2. Step 2: Convert to fraction form
    5,587.21/8,380.09 = 1,889.29/x
  3. Step 3: Cross multiply
    5,587.21x = 8,380.09 × 1,889.29
  4. Step 4: Simplify right side
    5,587.21x = 15,832,420.24
  5. Step 5: Solve for x
    x = 15,832,420.24/5,587.21
  6. Step 6: Final answer
    x = 2,833.69

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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.