Home / 5,993.28-8,987.40-2,872.80

Finding the Fourth Proportional to 5,993.28, 8,987.40 and 2,872.80

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Solution

The fourth proportional to 5,993.28, 8,987.40 and 2,872.80 is: 4,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993.28 : 8,987.40 = 2,872.80 : x
  2. Step 2: Convert to fraction form
    5,993.28/8,987.40 = 2,872.80/x
  3. Step 3: Cross multiply
    5,993.28x = 8,987.40 × 2,872.80
  4. Step 4: Simplify right side
    5,993.28x = 25,819,002.72
  5. Step 5: Solve for x
    x = 25,819,002.72/5,993.28
  6. Step 6: Final answer
    x = 4,307.99

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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.