Home / 5,587.32-8,380.80-1,889.52

Finding the Fourth Proportional to 5,587.32, 8,380.80 and 1,889.52

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Solution

The fourth proportional to 5,587.32, 8,380.80 and 1,889.52 is: 2,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.32 : 8,380.80 = 1,889.52 : x
  2. Step 2: Convert to fraction form
    5,587.32/8,380.80 = 1,889.52/x
  3. Step 3: Cross multiply
    5,587.32x = 8,380.80 × 1,889.52
  4. Step 4: Simplify right side
    5,587.32x = 15,835,689.22
  5. Step 5: Solve for x
    x = 15,835,689.22/5,587.32
  6. Step 6: Final answer
    x = 2,834.22

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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.