Home / 5,990.35-8,988.31-2,291.36

Finding the Fourth Proportional to 5,990.35, 8,988.31 and 2,291.36

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Solution

The fourth proportional to 5,990.35, 8,988.31 and 2,291.36 is: 3,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.35 : 8,988.31 = 2,291.36 : x
  2. Step 2: Convert to fraction form
    5,990.35/8,988.31 = 2,291.36/x
  3. Step 3: Cross multiply
    5,990.35x = 8,988.31 × 2,291.36
  4. Step 4: Simplify right side
    5,990.35x = 20,595,397.60
  5. Step 5: Solve for x
    x = 20,595,397.60/5,990.35
  6. Step 6: Final answer
    x = 3,438.10

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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.