Home / 5,686.01-8,531.06-1,989.26

Finding the Fourth Proportional to 5,686.01, 8,531.06 and 1,989.26

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Solution

The fourth proportional to 5,686.01, 8,531.06 and 1,989.26 is: 2,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.01 : 8,531.06 = 1,989.26 : x
  2. Step 2: Convert to fraction form
    5,686.01/8,531.06 = 1,989.26/x
  3. Step 3: Cross multiply
    5,686.01x = 8,531.06 × 1,989.26
  4. Step 4: Simplify right side
    5,686.01x = 16,970,496.42
  5. Step 5: Solve for x
    x = 16,970,496.42/5,686.01
  6. Step 6: Final answer
    x = 2,984.61

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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.