Home / 5,587.11-8,380.13-1,889.33

Finding the Fourth Proportional to 5,587.11, 8,380.13 and 1,889.33

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Solution

The fourth proportional to 5,587.11, 8,380.13 and 1,889.33 is: 2,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.11 : 8,380.13 = 1,889.33 : x
  2. Step 2: Convert to fraction form
    5,587.11/8,380.13 = 1,889.33/x
  3. Step 3: Cross multiply
    5,587.11x = 8,380.13 × 1,889.33
  4. Step 4: Simplify right side
    5,587.11x = 15,832,779.67
  5. Step 5: Solve for x
    x = 15,832,779.67/5,587.11
  6. Step 6: Final answer
    x = 2,833.80

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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.